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Here's how to Black and White squares on Windows computer screen. Run Avast Driver Updater@ https://www.anrdoezrs.net/click-7952654-14577796 to keep your device drivers up-to-date, easily & effectively.

Black and white squares on a Windows computer screen can be caused by a number of different things, including:

* **Outdated or corrupted graphics drivers.** This is the most common cause of black and white squares on a Windows computer screen.
* **Hardware problems.** A faulty graphics card or other hardware component can also cause black and white squares to appear on the screen.
* **Software conflicts.** Some software applications may conflict with each other and cause black and white squares to appear on the screen.
* **Overheating.** If your computer is overheating, it can cause black and white squares to appear on the screen.

To fix black and white squares on a Windows computer screen, you can try the following:

1. **Update your graphics drivers.** You can download the latest graphics drivers from the website of your graphics card manufacturer.
2. **Run a hardware diagnostic tool.** This will help you to identify any hardware problems that may be causing the black and white squares.
3. **Uninstall any software applications that you think may be causing the problem.**
4. **Clean your computer and make sure that the fans are working properly.**
5. **If you are still experiencing the problem, you may need to take your computer to a technician for further assistance.**

Here are some additional tips:

* **Try a different monitor or laptop screen.** If you have another monitor or laptop screen available, try connecting your computer to it to see if the black and white squares still appear. This will help you to determine if the problem is with your computer or with your monitor.
* **Disable overclocking.** Overclocking can improve your computer's performance, but it can also cause stability problems. If you are overclocking your computer, try disabling overclocking to see if it fixes the black and white square problem.
* **Check your cable connections.** Make sure that all of the cables connecting your computer to your monitor are properly secure.