Trending March 2024 # 19 Moocs On Mathematics & Statistics For Data Science & Machine Learning # Suggested April 2024 # Top 3 Popular

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Introduction

Before creation, God did just pure mathematics. Then he thought it would be pleasant change to do some applied

                                                                                       -John Edensor Littlewood

Mathematics & Statistics are the founding steps for data science and machine learning. Most of the successful data scientists I know of, come from one of these areas – computer science, applied mathematics & statistics or economics. If you wish to excel in data science, you must have a good understanding of basic algebra and statistics.

However, learning Maths for people not having background in mathematics can be intimidating. First, you have to identify what to study and what not. The list can include Linear Algebra, calculus, probability, statistics, discrete mathematics, regression, optimization and many more topics. What do you do? How deep to you want to get in each of these topics? It is very difficult to navigate through this by yourself.

If you have faced this situation before – don’t worry! You are at the right place now. I have done the hard work for you. Here is a list of popular open courses on Maths for Data science from Coursera, edX, Udemy and Udacity. The list has been carefully curated to give you a structured path to teach you the required concepts of mathematics used in data science.

Get started now to learn & explore mathematics for data science.

Which course is suitable for you?

Few courses may require you to finish the preceding course for better understanding. So, make sure that you either know the subject or have undergone these courses.

Read on to find out the right course for you!

Table of Content

Beginners Mathematics / Statistics

Data Science Maths Skills

Intro to Descriptive Statistics

Intro to Inferential Statistics

Introduction to Probability and Data

Math is Everywhere: Applications of Finite Math

Probability: Basic Concepts & Discrete Random Variables

Mathematical Biostatistics Boot Camp 1

Applications of Linear Algebra Part 1

Introduction to Mathematical Thinking

Intermediate Mathematics / Statistics

Bayesian Statistics: From Concept to Data Analysis

Game Theory 1

Game Theory II: Advanced Applications

Advanced Linear Models for Data Science 1: Least Squares

Advanced Linear Models for Data Science 2: Statistical Linear Models

Introduction to Linear Models and Matrix Algebra

Maths in Sports

Advanced Mathematics / Statistics

Discrete Optimization

Statistics for Genomic Data Science

Biostatistics for Big Data Applications

Beginners Mathematics & Statistics

Duration: 4 weeks

Led by: Duke University (Coursera)

If you are a beginner with very minimal knowledge of mathematics, then this course is for you. In this course, you will learn about concepts of algebra like set theory, inequalities, functions, coordinate geometry, logarithms, probability theory and many more.

This course will take you through all the basic maths skills required for data science and would provide a strong foundation.

The course starts from 9 Jan 2023 and is lead by professors from Duke University. 

Prerequisites: Basic maths skills

Duration: 8 weeks

Led by: Udacity

This course by Udacity is an excellent beginners guide for learning statistics. It is fun, practical and filled with examples. The Descriptive Statistics course will first make you familiar with different terms of statistics and their definition. Then you will learn about statistics concepts like central tendency, variability, standard normal distribution and sampling distribution.

This course doesn’t require any prior knowledge of statistics and is open for enrollment. 

Prerequisites: None

Duration: 8 weeks

Led by: Udacity

After you have gone through the Descriptive Statistics course, it is time for Inferential statistics. The same practical approach to the subject continues in this course.

In this course, you will learn concepts of statistics like estimation, hypothesis testing, t-test, chi-square test, one-way Anova, two-way Anova, correlation, and regression.  

There are problem set and quiz questions after each topic. You will also be able to test your learning on a real-life dataset at the end of the course. The course is open for enrollment. 

Prerequisites: Complete understanding of Descriptive Statistics (the course mentioned above)

Alternate Course: You can also look at Statistics: Unlocking the World of Data. It is a 6 weeks long course run by University of Edinburgh (edX)

Duration: 5 weeks

Led by: Duke University (Coursera)

It will provide you hands on experience in data visualization and numeric statistics using R and RStudio.

The course will first take you through basics of probability and data exploration to give a basic understanding to get started. Then, it will individually explain various concepts under each topic in detail. At the end, you will be tested on a data analysis project using a real-world dataset.

The course is led by a Professor in Statistics at Duke University and is also a prerequisite for Statistics in R specialization. If you are looking forward to learn R for data science, then you must take this course. The course is open for enrollment.

Prerequisites: Basic Statistics and knowledge of R

Duration: 1 week

Led by: Davidson College (Udemy)

As the name suggests, this course tells you how maths is being used everywhere from Angry birds to Google. It is a fun approach to applied mathematical concepts.

In this course, you will learn how equation of lines is used to create computer fonts, how graph theory plays a vital role in angry birds, linear systems model the performance of a sports team and how Google uses probability and simulation to lead the race in search engines.

The course is led by the mathematics professor at Davidson College and is open for enrollment.

Prerequisites: Understanding of linear algebra and programming

Duration: 6 weeks

Led by: Purdue University (edX)

This course is designed for anyone looking for a career in data science & information science. It covers essentials of mathematical probabilities.

In this course, you will learn the basic concepts of probability, random variables, distributions, Bayes Theorem, probability mass functions and CDFs, joint distributions and expected values. 

After taking this course you will have a thorough understanding of how probability is used in everyday life. The course is open for enrollment. 

Prerequisite: Basics Statistics

Duration: 4 weeks

Led by: Johns Hopkins University (Coursera)

Honestly, the “Bio” in “Biostatistics” is misleading. This course is all about fundamental probability and statistics techniques for data analysis.

The course covers topics on probability, expectations, conditional probabilities, distributions, confidence intervals, bootstrapping, binomial proportions, and logs.

A well-paced course with a complete introduction to mathematical statistics. 

Prerequisites: Basic  Linear algebra, calculus and programming useful but not mandatory

Duration: 5 weeks

Led by: Davidson College (edX)

This is an interesting course on applications of linear algebra in data science.

The course will first take you through fundamentals of linear algebra. Then, it will introduce you to applications of linear algebra for recognizing handwritten numbers, ranking of sports team along with online codes.

The course is open for enrollment.

Prerequisite: Basic linear algebra

Duration: 8 weeks

Led by: Stanford University (Coursera)

In this mathematical thinking course from Stanford, you will learn how to develop analytical thinking skills. The course teaches you interesting ways to develop out-of-the-box thinking and helps you remain ahead of the competitive curve.

In this course, you will learn about analysis of a language, quantifiers, brief introduction to number theory and real analysis. To make the most of this course one must have familiarity with algebra, number system and elementary set theory.

The course starts from 9 Jan 2023 and is led by professors at Stanford. It is open for enrollment.

Prerequisites: Basic algebra, number system and elementary set theory.

Intermediate Mathematics & Statistics

By this time, you know all the basic concepts a data scientist needs to know. This is the time to take your mathematical knowledge to the next level.

Duration: 4 weeks

Led by: University of California (Coursera)

Bayesian Statistics is an important topic in data science. For some reason, it does not get as much attention.

In this course, the first section covers basic topics like probability like conditional probability, probability distribution and Bayes Theorem. Then you will learn about statistical inference for both Frequentist and Bayesian approach, methods for selecting prior distributions and models for discrete data and Bayesian analysis for continuous data.

Prior knowledge of statistics concepts is required to take this course. The course starts from 16 Jan 2023.

Prerequisite: Basic & Advanced Statistics

Duration: 8 weeks

Led by: Stanford University and University of British Columbia (Coursera)

Game theory is an important component of data science. In this course, you will learn about basics of game theory and its applications. If you are looking to master Re-inforcement learning this year – this course is a must learn for you.

The course provides basic understanding of representing games and strategies, the extensive form (which computer scientists call game trees), Bayesian games (modeling things like auctions), repeated and stochastic games. Each concept has been explained with the help of examples and applications.

The course is led by professors from the Stanford University and The University of British Columbia. The course is open for enrollment. 

Prerequisite: Basic probability and mathematical thinking

Duration: 5 weeks

Led by: Stanford University and The University of British Columbia (Coursera)

You will learn about how to design interactions between agents in order to achieve good social outcomes. The three main topics covered are social choice theory, mechanism design, and auctions. The course starts from 30 Jan 2023 and is led by professors from Stanford University & The University of British Columbia. 

The course is open for enrollment.

Prerequisite: Basics of Game Theory

Duration: 4 weeks

Led By: Harvard University (edX)

Matrix algebra is used in various tools for experimental design and analysis of high-dimensional data.

For easy understanding, the course has been divided into seven parts to provide you a step by step approach. You will learn about matrix algebra notation & operations, application of matrix algebra to data analysis, linear models and  QR decomposition.

The language used throughout the course is R. Feel free to choose which part of the course caters more to your interest and take the course accordingly.

The course is conducted by biostatistics professors at Harvard University and is open for enrolment now.

Prerequisite: Basic Linear algebra and knowledge of R

Duration: 6 weeks

Led by: Johns Hopkins University (Coursera)

In this course, you will learn about one & two parameter regression, linear regression, general least square, least square examples, bases & residuals.

Before you proceed further let me clear, to take this course you need a basic understanding of linear algebra & multivariate calculus, statistics & regression models, familiarity with proof based mathematics and working knowledge of R. The course starts from 23 Jan 2023.

 Prerequisite: Linear Algebra, calculus, statistics and knowledge of R 

Duration: 6 weeks

Led by: Johns Hopkins University

In this course, you will learn about basics of statistical modeling multivariate normal distribution, distributional results, and residuals. 

Before you proceed further let me clear, to take this course you need basic understanding of linear algebra & multivariate calculus, statistics & regression models, familiarity with proof based mathematics and working knowledge of R. The course starts from 23 Jan 2023. 

Prerequisite: Linear Algebra, calculus, statistics and knowledge of R 

Duration: 8 weeks

Led by: University of Notre Dam (edX)

I am someone who is very curious to know how mathematics can be used to drive deeper insights in sports and everyday life.

I came across this course, which shows how your favorite sport uses mathematics to analyze data and know the trends, performance of players and their fellow teams.

In this course, you will learn how inductive reasoning is used in mathematical analysis, how probability is used to evaluate data, assess the risk and outcomes of any event.

All the major team sports, athletic sports, and even extreme sports like mountain climbing have been covered in the course. The course is led by professors of the University of Notre Dam and is currently open for enrolment.

Prerequisite: Statistics & Linear Algebra

Advanced Mathematics & Statistics

Bravo, by now – you would be on your own. You would have developed a knack for mathematics & statistics and would feel confident about continuous learning – way to go!

Duration: 8 weeks

Led by: University of Melbourne (Coursera)

Every industry & company makes use of optimization. Airlines use optimization to ensure fixed turn-around-time, E-commerce like Amazon uses optimization for on time delivery of products.  Macro-level applications of optimization includes deploying electricity to millions of people,  way for new medical drug discoveries and many more.

The prerequisites to take this course are good programming skills, knowledge of fundamental algorithms, and linear algebra. The course starts from 16 Jan 2023 and is conducted by professors at Melbourne University.

Prerequisite: Programming, algorithms and linear algebra

Duration: 4 weeks

Led by: Johns Hopkins University

If you aspire to become a generation sequencing data scientist then you must take this course.

In this course, you will learn about exploratory analysis, linear modeling, hypothesis testing & multi-hypothesis testing, different types of process like RNA-seq, GWAS, ChIP-Seq, and DNA Methylation studies.  This course is part of Genomic Data Scientist specialization from Johns Hopkins. The course starts from 16 Jan 2023.

This course is part of Genomic Data Scientist specialization from Johns Hopkins. The course starts from 16 Jan 2023.

Prerequisite: Advanced Statistics and algorithms

Duration: 8 weeks

Led by: utmb Health (edX)

This course is an introduction to data analysis using biomedical big data.

In this course, you will learn about fundamental components of biostatistical methods. Working with biomedical big data can pose various challenges for someone not familiar with statistics.

Learn how basic statistics is used in biomedical data types. You will learn about basics of R programming, how to create & interpret graphical summaries of data and inferential statistics for parametric & non-parametric methods. It will provide you hands on experience in R with biomedical problem types.

The course is open for enrolment.

Prerequisite: Advanced statistics and knowledge R

End Notes

I hope you found this article useful. By now, you would have identified the learning areas for yourself. If you are from mathematics background, you can choose the right courses for yourself. On the other hand, if you do not have a mathematics background, then start from the beginners sections and move ahead.

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19 Black Friday Marketing Strategies To Try In 2023

By being prepared and rolling out some killer tactics.

Don’t let planning your Black Friday marketing strategy frustrate you. It’s easier than you think to stand out from the crowd on a busy sales day.

Here are 19 tried and tested marketing strategies to try for Black Friday!

Bonus: Learn how to sell more products on social media with our free Social Commerce 101 guide. Delight your customers and improve conversion rates.

What is Black Friday?

Black Friday is the Friday following American Thanksgiving. It’s notorious for slashed prices in eCommerce and brick-and-mortar stores, causing a surge in consumer spending.

Black Friday typically kicks off the holiday shopping season. You might have heard stories of the pandemonium that brick-and-mortar stores face.

The term ‘Black Friday’ originated in Philadelphia in the 1950s. Police officers used it to describe the heavy, disruptive crowds that would flock to the city the day after Thanksgiving. Suburban shoppers and tourists would flock to the city before the infamous Army-Navy football game.

Later, retailers adopted Black Friday. They depended on holiday shopping to put them “back in the black” before the fiscal year ended. Back in the black just means earning profit instead of operating at a loss or “being in the red.”

Today, Black Friday has extended from brick-and-mortar stores to online sales, with eCommerce stores jumping on the holiday. It’s also extended its timeline. Now Black Friday isn’t just a day, it’s a weekend of sales between Black Friday and Cyber Monday.

eCommerce stores are reaping the benefits of online sales, even during a time when global buying habits shifted in an unpredictable market. In 2023, Shopify store owners collectively made a whopping $6.3 billion USD in sales globally between Black Friday and Cyber Monday, a 23% increase from 2023.

During this time, sales were attributed to 47 million unique shoppers who made a purchase from a Shopify merchant. These weren’t your classic bargain bin deals either. The average cart price was above $100 US!

These are opportunities that your business can get in on too. All you need is a stellar marketing strategy to help you stand out from the crowd.

19 fool-proof Black Friday marketing strategies

There is no one-size-fits-all answer when it comes to Black Friday marketing strategies. You know your customers and what will work best for them. But, there are some tried and tested strategies that can help with your Black Friday marketing strategy.

Take a look below at these 19 fool-proof Black Friday marketing strategies.

By sharing previews of exclusive deals, countdown timers, and other engaging content, businesses can build anticipation and drive traffic to their stores on Black Friday. And social media is a great way to connect with customers and answer any questions they may have about your Black Friday sale.

2. Create a sense of urgency

To get customers excited about your sale items, write copy that conveys urgency. Creating a sense of urgency or scarcity in your Black Friday marketing encourages customers to take action.

One reason why creating a sense of urgency is important is that it helps to capture attention. In a busy inbox, for example, an email that stands out and creates a sense of urgency is more likely to be noticed than an email that doesn’t.

3. Email marketing campaign

Set up an email marketing campaign and watch your ROI grow, and grow, and grow. When you average it out, email drives an ROI of $36 for every dollar spent. That’s higher than any other channel.

4. Optimize your website for shoppers searching on Google

Black Friday is swollen with eCommerce sites vying for a spot on Google’s front page. To rank, you need to optimize your website for online shoppers.

One way to do this is to use keywords that shoppers are likely to use when searching for holiday deals. Do some keyword research, then float those words throughout your site. Make sure you sound natural and don’t fall into the habit of keyword stuffing.

In addition, you should also make sure that your website is mobile-friendly, as more and more people are using their phones to do their holiday shopping.

5. Install a chatbot on your website to make customer support easier

With more shoppers comes more customer support inquiries. You can’t avoid it. Consumers are going to be reaching out with FAQs about orders, shipping, and returns. You name it.

By installing a chatbot on your website, you can streamline and automate your customer support services. The chatbot can handle the easy FAQs, and when a customer support rep is needed, they can step in and take over the conversation. This process can remove the repetitive work weighing down your team and give them time back to focus on larger-scale issues.

6. Install a chatbot on your Shopify site, too

You want to make it as easy as possible for your customers to convert. So, if you use an eCommerce site like Shopify, consider installing a chatbot.

Shopify chatbots can pull data from your store to automate tasks. These include necessary customer communication, checking store inventory, performing returns, and encouraging sales.

During a rush like Black Friday, it’s important to give your customers the support they need. A chatbot helps you do so.

7. Use a chatbot to help shoppers find products faster

Besides automating customer service inquiries, AI chatbots like Heyday can also help with sales. If you find the right one, a chatbot can help shoppers to find the products they need quickly and easily.

This can work if you program your chatbot to ask shoppers a series of questions. From there, they can narrow down the search to a few specific items. Then, shoppers can either purchase the product online or find it in-store.

Source: Heyday

Chatbots can also provide personalized recommendations based on previous purchases. And, during the chaos that is Black Friday, you’ll want all the help you can get.

Get a free Heyday demo

8. Offer long-time customers exclusive deals

People like to be acknowledged, especially when they have a relationship with your brand. Black Friday offers you a chance to show appreciation for loyal, long-time customers.

Offering exclusive deals and discounts to these customers is a smart marketing tactic that can help to build customer loyalty and drive repeat business. By showing your customers that you value their loyalty, you’ll encourage them to keep coming back on days that aren’t Black Friday.

9. Try selling directly on social media

People often use social media to research a product or look up a brand. Close to 1 in 2 people have reported looking up new brands, products or services on Instagram.

On Black Friday, everyone will be searching for deals and promotions. By selling directly on platforms like Instagram, you can put your products right in front of your target audience. Selling your products directly on the app means it’s even easier for your consumers to convert.

And you can reach a global audience on social media. People on Instagram, for example, expect to be marketed to. 90% of people follow a brand, after all.​​

View this post on Instagram

A post shared by Instagram for Business (@instagramforbusiness)

Black Friday gives you an opportunity to reach new audiences on social media. By using hashtags, you can connect with people who are interested in Black Friday deals and help them find your products and services.

If you’re a retailer, you can use the hashtag #blackfridayshopping or #blackfridaydeals to reach people who are looking for bargains.

11. Follow up with customers after Black Friday

It’s great that you can sell a ton of products on Black Friday. But, a customer’s value to your brand grows over time. You want to turn those one-off purchasers into loyal, lifelong customers.

A study by Shopify notes that customer lifetime value is the lowest on holidays like Black Friday. It showed that for a whopping 64% of retailers, shoppers acquired during Black Friday or Cyber Monday have a lower lifetime value than shoppers acquired at any other time of the year.

Follow up by sending a quick thank-you email, a customer service survey, or by asking for feedback on their experience. You’ll be improving your customers’ experience, which can pay off in future dividends.

By taking the time to reach out to customers, you show that your brand truly values their business and that you’re committed to providing a positive customer experience.

12. Referral codes

You know that referral marketing can work wonders for your brand. It’s also effective in promoting Black Friday deals.

Send out referral codes to your email subscribers. Offer them gift cards or deeper discounts as incentives. Their referrals have the potential to pull in new customers with the added bonus of showing love to your loyal customers.

13. Minimum spend rewards

Offer minimum spend rewards on certain amounts. For example, if customers check out with a $100 cart, they could be eligible for free shipping.

Minimum spend rewards are a great way to increase your conversion rates and encourage customers to spend more money with a business. It can be even more effective if the rewards are tiered. For example, a customer who spends $50 might get a 10% discount, while a customer who spends $100 might get a 20% discount.

14. Give a free gift with purchase

People love feeling like they’ve been rewarded.

Giving your customers a free gift with their purchase will incentivize them to act. And they create a sense of goodwill that can keep customers coming back.

Of course, you want to make sure that you’re gifting something that your customers will actually want. It’s important to take your customer base into account when choosing what to give them.

15. Focus on your abandoned cart rates

Have you ever gone to do a bit of online window-shopping and moved to abandon your cart, only to be stopped short by a pop-up? Whether it’s an offer for a discount code or a survey about your shopping intentions, those pop-ups can be very annoying, which is kind of the point.

Pop-ups are meant to grab your attention and reduce abandoned cart rates. Give shoppers a chance to express their intentions or provide them with an incentive to complete their purchase. You’ll likely decrease your abandonment rate.

Be sure to get that pop-up to express your limited-time Black-Friday-only offer.

16. Make a gift guide

Oh, how we love Black Friday gift guides.

A gift guide is essentially a curated selection of your products, categorized in a way that makes it easy for shoppers to understand. For example, you could create a ‘For your fashionable friend’ guide that highlights unique clothing pieces you’re selling.

Gift guides help to promote specific products, drive traffic to your website or store, and generate excitement for your brand.

17. Have a social media contest

Offer a prize that your target audience wants and encourage people to take part in the contest and share it with their friends and followers. It works as social proof.

When one of your friends recommends a brand, you’re more likely to trust that brand. Get your followers to tag their friends or repost your content on their story for entries.

Schedule your contest and posts ahead of time with Hootsuite so you’re organized for the big day.

18. Get weird with it

Listen, you already know how murky the marketing swamp is going to be on Black Friday.

Retailers are going to be shouting about their low prices, hot deals, and fast delivery from every corner of the ring. If you want to stand out, you’ve got to grab attention. Don’t be afraid to try something new.

Deciem, for example, canceled Black Friday completely. They shut down their site and closed their stores as a way to reject the impulsive selling Black Friday is known for. Then, they announced they’re extending their sale through November.

Source: Deciem

19. Take a stance

Instead of promoting Black Friday sales, how can your company take a stance? Independent retailers around the world have started taking a stance against Black Friday and its overconsumption, whether that’s through donating profits, shutting down websites, or closing stores.

UK-based sustainable underwear brand Pantee turns off its website on Black Friday to the public and only allows access to those on its mailing list. This tactic is used to fight against the huge amount of unsustainable impulse buying driven by Black Friday promotions. They don’t do sales, and they don’t promote impulse buying.

Their message is to stop and think before you buy.

Engage with shoppers on social media and turn customer conversations into sales with Heyday, our dedicated conversational AI chatbot for social commerce retailers. Deliver 5-star customer experiences — at scale.

Get a Free a Heyday Demo

Turn customer service conversations into sales with Heyday. Improve response times and sell more products. See it in action.

Valorant Black Screen On Startup On Windows Pc

Is the Valorant game stuck at a black screen on its startup on your Windows PC? Many Valorant players have complained that when launching Valorant, it gets stuck and keeps showing a black screen. Some users have also reported getting a black screen during the gameplay. The issue annoys the players as it keeps them from playing the game.

Now, if you are one of the affected users who keeps getting a black screen on Valorant on its startup, you have landed on the correct page. Here, we will discuss fixes that will help you get rid of the black screen problem in Valorant and play the game smoothly. So, without much ado, let us get straight to the solutions.

Before we mention fixes, let us try and understand the scenario that might cause the black screen issue.

What causes a black screen in Valorant on startup?

Here are the potential causes why you get a black screen in Valorant on its startup:

If your graphics driver is not up-to-date or is corrupted or faulty, you will likely get the issue at hand. If the scenario is applicable, try updating or reinstalling the graphics driver to its latest version.

Missing administrator rights to play the game can also trigger the black screen problem. So, relaunch the game with admin rights to fix the issue.

If you are not running the game on your dedicated GPU card, you might experience the problem at hand. This happens when you have more than one graphics card on your computer. Hence, if the scenario applies, you can try running the game on a dedicated GPU card.

Overclocked GPU can also cause the problem at hand. So, stop overclocking and then check if the problem is resolved.

Your antivirus might be interfering with the game and stopping it from launching properly. Hence, disable your antivirus temporarily or add Valorant to the exclusion list to resolve the problem.

Fix Valorant Black Screen on startup on Windows PC

Here are the fixes you can try if you get a black screen in Valorant on startup on your Windows 11/10 PC:

Make sure your graphics driver is updated.

Run Valorant as an administrator.

Tweak the display mode.

Run Valorant on a dedicated graphics card.

Set up the environment variables.

Disable overclocking.

Temporarily disable your antivirus.

1] Make sure your graphics driver is updated

The first and foremost thing you should ensure is that your graphics driver is updated. You will likely face display issues like a black screen when starting Valorant and more if you have an outdated and corrupted graphics driver on your system. So, you must update your graphics drivers to their latest version to fix this issue.

There are different means of updating your graphics driver on your Windows PC.

You can also use the Device Manager app to do the same.

Or, go to the official device manufacturer’s website and download the latest graphics driver.

There are multiple free third-party driver update software if you want to use an automatic way of updating drivers.

Once done updating your graphics drivers, try relaunching Valorant and see if the black screen issue is gone or not. If not, you can try the next potential fix to resolve the problem.

Read: Fix VALORANT game client error codes 43, 7 on Windows.

2] Run Valorant as an administrator

It is recommended to launch the Valorant game as an administrator and see if the problem is fixed. Lack of necessary admin rights to run the game can also cause the issue at hand. Hence, relaunching the game with administrator privilege can resolve the problem. To do that, you can follow the below steps:

Now, in the Properties window, go to the Compatibility tab.

After that, checkmark the Run this program as an administrator option.

Finally, relaunch Valorant and see if the black screen still appears on the startup.

If this method doesn’t help, there are more solutions that you can try. So, move on to the next potential fix.

Also read: Fix VALORANT failed to launch on Windows PC.

3] Tweak the display mode

You can try changing the display mode and see if the problem is fixed. Press the Alt and Enter key combination to switch between Windowed and Fullscreen mode. This workaround has fixed the problem for some affected users and might work for you as well. If switching the display mode doesn’t resolve the problem, go ahead and use the next potential fix.

4] Run Valorant on a dedicated graphics card

In case there are two graphics cards on your system, try running the Valorant game on your dedicated GPU card. If you have an NVIDIA graphics card, here is how you can do that:

Next, go to the Program Settings tab and tap on the Add button.

Then, set the preferred graphics processor to High-performance NVIDIA processor.

Finally, press the Apply button to save changes.

You can now try relaunching the Valorant game and see if the problem is gone or not.

See: Fix VALORANT Vanguard error codes 128, 57 on Windows.

5] Set up the environment variables

Environment variables make it easier to configure apps. You can try configuring environment variables and see if the Valorant black screen on startup issue is fixed. Here’s how to do that:

Firstly, press the search option on your taskbar and type environment variables.

Now, from the appeared search results, choose Edit the system environment variables.

Variable value: ~0x200000200000000

Finally, restart the game and see if it works fine or not.

If this doesn’t work, you can try the next potential solution to fix the issue.

Read: Fix VALORANT connection error codes VAN 135, 68, 81

6] Disable overclocking

The issue at hand could be a result of an overclocked GPU. Overclocking is handy and usually boosts up graphics performance. But, it can also trigger stability issues with your apps. Hence, try disabling overclocking on your PC and check if the problem is resolved. If the problem remains the same, you can try the next potential solution to fix it.

7] Temporarily disable your antivirus

You can also try disabling your antivirus for some time and see if you can run Valorant without the black screen issue. The issue could very much be facilitated due to antivirus interference. There are instances where your antivirus detects some processes as malicious because of a false positive alarm and causes issues like this. So, you can test the same by turning off your antivirus temporarily.

If it works, you can be sure your antivirus was at fault. In that case, you can add the Valorant program to the exception or exclusion list of your antivirus.

Read: Fix VALORANT Error Code 31 and 84

How do I fix Valorant black screen on startup?

To fix the Valorant black screen on startup, first of all, ensure that you have the most recent version of your graphics driver on your PC. Apart from that, you can try running the game as an administrator, running the game on a dedicated GPU card, switching the display mode, stopping overclocking, or disabling your antivirus.

We have shared all these fixes in detail above, so checkout.

How do I fix my black screen?

If you get Black Screen of Death on Windows 11/10, make sure all your connections are proper and secure, and try to wake your device. Besides that, check your default display mode reinstall or roll back your display drivers, close RunOnce processes, or unplug USB devices.

Why is my PC showing a black screen?

You might get a black screen on your PC if you have an out-of-date or corrupted graphics driver on your system. Besides that, it could also be caused due to a buggy update or hardware problems. So, make sure you have updated graphics drivers and make sure physical connections are correct and secure.

I hope this helps.

Now read: Fix Invalid Access to Memory Location Error on VALORANT.

Save $20 On The Jbl Tune 510Bt: Wireless On

Last Updated on July 4, 2023

With the 4th of July approaching, many of our fellow tech enthusiasts are looking for high-performance yet affordable wireless headphones for Zoom meetings or gaming in their spare time. Don’t be concerned. We have the best 4th of July Deals just for you.

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JBL Tune 510BT

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Deal @ Amazon

*Prices are subject to change. PC Guide is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn more

The JBL Tune 510BT: Wireless On-Ear Headphones are presently 40% off at Amazon, bringing their price down to $29.95. That’s a $20 saving off the original MSRP of $49.95.

Let’s look at the features of the JBL Tune 510BT: Wireless On-Ear Headphones and why we think it’s a great price for a pair of wireless headphones.

Purebass Sound: Delivers powerful and deep bass, enhancing audio quality for music lovers who seek an immersive and bass-driven listening experience.

Wireless Connectivity: Provides wireless connectivity for convenient, cable-free music enjoyment, making them ideal for individuals who prioritize wireless convenience, such as during workouts or commuting.

On-Ear Design: Offers a comfortable and secure fit, ideal for those who prioritize comfort and portability.

Black Color: Offers a stylish and versatile look that complements any style, making them ideal for individuals who appreciate a timeless and understated aesthetic.

Lightweight and Portable: Ideal for individuals seeking convenient on-the-go use and easy carrying.

JBL Brand Quality: Offers reliable performance and excellent sound quality, making them ideal for those who value reputable brands and a premium audio experience.

What We Think

This deal for the JBL Tune 510BT wireless on-ear headphones is a good bang for your buck. You get top-notch sound quality and a well-known brand. If you’re all about amazing audio and the convenience of wireless, it’s definitely worth grabbing this deal right now. 

This is a great opportunity for anyone who wants reliable performance and a trusted name in the audio game. Plus, these headphones are super comfy, stylish, and come with cool features like a built-in microphone and wireless connectivity.

Best 4th of July headphone deals

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*Prices are subject to change. PC Guide is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn more

How To Turn On Keyboard Light On Dell Laptop

One must-have feature on any laptop is its ability to illuminate the keyboard. Enabling the backlight not only allows users to see individual keys in low-light conditions but also makes your keyboard look a lot more attractive. 

Your keyboard will have a dedicated key that enables and disables its backlight. For Dell laptops, this key is usually the F6, F10, or one of the arrow keys. So, pressing the Fn + F6/F10/arrow keys simultaneously should enable keyboard lights on Dell laptops. If it does not work, you need to find the backlit key for your keyboard to control the keyboard lights.

Depending on your Dell laptop, it may even have a dedicated application that controls keyboard lighting. 

Before we jump into the how-to part of the question, you need to know whether your laptop’s keyboard has a backlight.

Not all Dell laptops have a backlit keyboard. To check whether your keyboard has backlights, search the function keys for the backlit key. Usually, a key with a backlit icon, shown in the image, is the key that controls the keyboard backlight.

Some Dell laptops have the backlit icon on one of the arrow keys. If you cannot find the backlit key, check the arrow keys. 

There is a high chance that your Dell laptop does not have a backlit keyboard if your keyboard does not have a dedicated backlit key.

In case your laptop’s keyboard does not illuminate even when it has a dedicated keyboard backlit key, it could be that the keyboard illumination settings are disabled from the BIOS itself.

For any laptop, the easiest way to enable the keyboard light is through the backlit key. As for Dell laptops, you can adjust the keyboard light in a few different ways. Let us first start with the easiest of them all.

The first and simplest way to enable the backlight on any laptop keyboard is by using the backlight key. If your laptop keyboard supports the backlight, you will have a dedicated keyboard button to control the keyboard lighting.

Search the keyboard for a key with a backlit icon.

Keep pressing the backlight key to scroll through the keyboard’s backlight brightness. 

Besides the backlit key, some Dell laptops support the Alienware Command Center that allows the user to access and control several system configurations, such as CPU/GPU temperature, voltage, and usage, memory speed. 

Besides this, you can also control your keyboard backlights using the Command Center. Command centers usually come pre-installed on Dell gaming laptops.

However, not all Dell laptops support the Alienware command center. If you are using an Alienware or G-Series laptop, you can adjust the keyboard light using the Alienware Command Center.

Search Alienware Command Center and open the application.

Select the area of the keyboard.

If you want to turn off the keyboard backlight, you need to select the color black.

Some Dell laptops do not have a pre-installed Alienware Command Center. In that case, you need to download and install the command center for your Dell laptop.

Go to the Official Dell Support Page.

If Dell’s support page does not display Alienware Command Center, it could be that the laptop is incompatible with Alienware Command Center.

Dell laptops also have a dedicated setting in BIOS which allows users to control keyboard backlight illumination. Besides this, the BIOS also allows the user to set the keyboard backlight timeout period. 

Some settings in the BIOS may not be visible if you do not have an up-to-date BIOS. If you cannot find the keyboard illumination settings in the BIOS, we recommend that you update the BIOS first.

Note: All the settings mentioned below apply to Dell Latitude, Dell Precision, Dell Vostro, Dell XPS, Dell Inspiron, and Dell G Series laptops.

Turn on your laptop and repeatedly press the BIOS key to enter the BIOS. On most Dell computers, the BIOS key is the F2 key. If the F2 key does not take you to the BIOS settings, you can also refer to your laptop’s user manual for the BIOS key .

On the left panel, expand System configuration and search for a heading named Keyboard Illumination.

Exit the BIOS.

If you are using an older version of BIOS, the configuration in Keyboard Illumination may be different. Here, Disabled or Off means keyboard illumination off, Auto ALS and input allow automatic keyboard illumination depending on lighting conditions.

To use Auto ALS and input, you first need to enable Ambient Light Sensor.

In BIOS, check the left panel and expand Video.

Save and Exit the BIOS.

By default, the backlit keys on your Dell keyboard will turn off after being inactive for a certain time. Tweaking the right BIOS setting, you can set the timeout period for your backlit keyboard. Not only this, but you can also set the timeout period to never so that the keyboard lights stay on permanently.

Repeatedly press the BIOS key during startup to enter BIOS. If you enter the Operating system, restart your system and repeat this step.

Some Dell Laptops also allows you to set backlight timeout on battery. Check Keyboard Backlight Timeout on Battery. This allows you to set the timeout period for your keyboard when on the battery. 

Exit the BIOS and see if the keyboard backlight turns on permanently.

3 Ways On How To Delete Files On Windows 11

When you delete a file in Windows, it is not actually deleted from your computer. Instead, the space that the file occupied on your hard drive is marked as empty and available for new data. The file is still present on your hard drive, but it is now considered “deleted.”

There are many ways to delete files on your Windows 11 device. Today we are going to discuss all the possible ways you can delete files on Windows 11.

How to Delete Files on Windows 11

You can try a bunch of different methods to delete files on Windows 11. Let us explain those in detail.

Using the File’s Options

This is one of the most straightforward and the simplest way to delete files on Windows 11. Follow our guide:

Using the Delete Key

Using the delete button is the easiest and the simplest method to delete files on Windows 11. To do so follow these steps:

Locate the file you want to delete.

Select the file and press the Delete key.

Confirm the Deletion.

Using the Command Prompt

Using Command Prompt can be useful when you have to delete multiple files from different locations at once. To do so, follow these steps:

Moreover, if you want to delete files inside the Windows directory, you need to have administrative access. So, you will have to run the Command Prompt as administrator. To do so, follow these steps:

How to Permanently Delete Files on Windows 11

There is no dedicated feature that allows you to permanently delete files on Windows 11 but you can still delete files permanently, following these steps:

You can do this for every drive if you are on a permanent deletion spree.

Frequently Asked Questions How to Securely Erase Files?

There are many third-party apps that can be used to securely erase files. Some of these apps are designed specifically for this purpose, while others are general-purpose utilities that include file erasure as one of their features.

When choosing a file erasure app, it is important to select one that uses a reliable method of data deletion. The most common and reliable method is to overwrite the data with random bits, which effectively renders the original data irrecoverable.

Once you have selected an app, simply follow the instructions provided by the app developer to securely erase the desired files.

Can a Recovery File Bring Back the Deleted Files?

Recovery files can only restore the files that it has backed up. Outside of that, it does not have any authority. So, if you deleted the file without keeping a backup beforehand it’s gone forever unless it’s in the recycle bin.

How to Delete Files on Windows 11 That Won’t Delete?

There is no surefire way to delete undeletable files on Windows 11, but there are a few methods you can try. One is to use a third-party file deletion utility, such as Unlocker or FileASSASSIN. These programs are designed to force the deletion of stubborn files.

Another method is to try using the command prompt to delete the file.

If all else fails, you can try booting into Safe Mode and deleting the file from there. Safe Mode is a special mode that Windows boots into when there are problems with the operating system. In Safe Mode, only essential files and drivers are loaded, which can sometimes help with deleting stubborn files.

How Do I Get Rid of Corrupted and Unreadable Folders?

There is no sure way to get rid of corrupted and unreadable folders. However, you can try a few things to improve the situation. First, you can try running a virus scan on your computer to see if there are any malicious files that are causing the problem. If you find any, you can delete them and see if that solves the issue.

Secondly, you can try running a registry cleaner on your computer to fix any corrupt or damaged settings that might be causing the problem. Lastly, you can try using a data recovery program to see if you can recover any of the lost data from the corrupted or unreadable folders.

Why Can’t I Delete the Folder Even Though I Am an Administrator in Windows 11?

There could be a number of reasons why you cannot delete a folder even though you are an administrator on Windows 11. The most likely reason is that there are still files or subfolders within the folder that you are trying to delete.

Another possibility is that the folder is currently in use by another program or process. If you are sure that there are no files or subfolders within the folder and the folder is not in use, you can try taking ownership of the folder and then deleting it.

How Do I Get Permission From the System to Delete Files?

To get permission from the system to delete a file, follow these steps:

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