One of the problems that may occur suddenly is the appearance of spots on the Screen, whether the computer screen or laptop, if you suffer from this problem, follow with me in this article the steps to solve and know the difference between dead and stuck pixels.

How to get rid of stains on the screen

Black or red spots on the screen are strange and common problems, especially on TFT, OLED or LCD computer screens. Of course, it will be annoying when these spots abound on the screen, so you start thinking about selling this screen and buying another new screen. That's fine, but before you think seriously about it. Try the following solutions, which we will learn about through the article, but before that let me let you know the difference between dead pixels and stuck pixels.

What is the difference between dead pixels and stuck pixels?

Stuck pixels: They are those pixels that appear in any random place and are one of the three basic colors of the screen (red, blue and green), which can be easily fixed with the following tools, meaning there is a great opportunity to fix them.

As for dead pixels or dead pixels: those pixels that do not work on the screen and therefore always appear black, i.e. off. It is often caused by a broken screen transistor, so the chance of fixing the problem is very small. Overall, try these tools and hopefully they will solve the problem.

Red spots appeared on the laptop screen!

If you see red spots on the laptop screen, the problem here may be not hardware and perhaps the laptop is working and working 100%, but a problem with defining the graphics card may have caused this, according to the Dell maintenance team. To make sure of this problem:

Enter Safe Mode through Setting and then advanced startup in Windows 10

The device will now reboot and it offers you options, including safe mode, which we will choose

If the computer turns on and you find that there are no stains at all, the problem now is in the definition of the graphics card

We will delete the graphics card driver and download the latest version from the official website.

1- Using UndeadPixel

UDPixel is a free program for Windows devices, which helps you discover whether your computer screen contains suspended or dead pixels and where they are located, and try to fix them in an easy way, the program requires the Microsoft .NET Framework to be installed in order to work.

After running the program, you will run any of the colors below the Dead pixel locator or press the Run cycle button to display all the colors in succession, where you must then know the location of the stuck or dead pixels on the screen. In order to fix the problem, go to the right side, the Undead pixel, where you press the Start button to show you a point on the screen. the screen.

2- Use Flexcode

The Flexcode website may be the reason for fixing stuck pixels on your device's screen if it is of the LCD type. The site is very simple and contains several tools to easily fix the problem, but its operation depends on your browser’s support for Adobe Flash Player. After opening the site, test the screen of your device by displaying the five available colors, which are green, blue, red, white and black. It is preferred to activate the "full screen" mode to display the colors on the entire screen and discover the location of the suspended pixels. After that, click on Fix My Screen to start the flashing process. Leave the computer for 10 minutes, and then the stuck pixels will disappear immediately.

3- Using the JScreenFix tool

JScreenFix is ​​also an online site, but it not only informs you of the location of dead or stuck pixels, but also helps you fix them in a simple and easy step. After opening the site, click the Launch JScreenFix button at the bottom, to display the browser window in black with the exception of the flash box. Then press the green button in the upper right to display the window in full screen, after that drag the square to be over the dead or stuck pixels for up to 10 minutes to analyze and fix the problem of spots on the screen.

Summary

Now the problem should be solved by any of the tools attached in this article, but in the event that these solutions fail, you must submit them to a specialized maintenance center or buy a new screen if the number of dead pixels is too much.

Where we may reach the end after checking the maintenance that the graphic card has burned out some of its internal parts or damaged from use or life span and it may need to be heated up or changed and buy a newer graphics card, but this is the last step for it here.