How to fix computer screen error

Not only does TipsMake share how to fix a computer that doesn't turn on the screen, but it also shares the reasons why the computer is turned on but the screen is still dark. You should remember to look at the cause first to fix the error effectively.

How to do it to help you:
- Grasp the error of the computer not showing the screen
- Know the cause
- Repair and fix errors of the computer not showing the screen effectively

When Windows software has problems, users will immediately think of free Windows error repair software to support. However, with the error of the computer not displaying the screen, it is likely that software is not the cause. So even if you use free Windows error repair software, you are still at risk of computer errors. If it's a nice day, you press the Power button repeatedly but the computer still doesn't work. Or the computer still lights up but cannot run, then you have a problem with the computer not displaying the screen. Now take your Smartphone and go to TipsMake to see this article on how to fix the error of the computer not showing the screen or the computer not turning on.

How to fix computer screen error

1. Completely turn off the computer and then restart
There are many reasons for the problem of the computer not displaying the screen, and partly it is also caused by software. You can apply the method of checking the computer does not display the screen to know the cause. If Windows has not been completely turned off, when the system restarts you will see the screen does not turn on. This case is quite rare but not impossible.

Picture 1 of How to fix computer screen error

To handle the error of the computer not showing the screen due to the above case, users just need to turn off the computer completely by holding the power button for 5-7 seconds until the computer turns off completely and can no longer hear any sound or light. However, after that, don't turn it on immediately, wait 30 seconds to 1 minute and then try turning it on again to see if the error of the computer not showing the screen has gone away.

2. Adjust the RAM slot to fix the error of the computer not displaying the screen.

The RAM slot is the most common reason why the computer does not display the screen. It is possible that due to impacts, or long-term use, computer RAM will become dirty or loose. At this point, you need to completely turn off the computer > unplug the power source > remove the side of the computer case. Pay attention to the RAM part and adjust it to make sure. You can completely remove the RAM and reinstall it, dust the RAM and the RAM slot on the PC.

Picture 2 of How to fix computer screen error

3. Check the screen connection cable to fix the error of the computer not displaying the screen.

Loose cables are also a common reason why the computer screen does not display. Therefore, you should fix the error of the computer not displaying the screen by removing the connection cable and reconnecting the cable. This trick is easier to do on PCs than laptops. Because with a laptop, you have to take it apart quite hard. On the PC, remove the cable and plug it back in firmly, leaving the screws tightly screwed into the PC.

Picture 3 of How to fix computer screen error

4. Replace the video card to fix the error of the computer not displaying the screen.

Video cards are very durable devices, so the chance of the video card being damaged is very small. However, if your PC or laptop has been used for a long time and is used frequently every day, it is difficult for hardware devices such as video cards to be durable. If the cause is the video card, the only way to fix the error of the computer not displaying the screen is to take it to a computer or laptop repair shop to replace the video card with a new one.

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5. Press and hold Power to fix the error of the computer not displaying the screen.

This is the simplest way, but it is not uncommon for the computer to not display the screen. Simply, when you turn off your laptop, your PC cannot completely turn off the screen. Therefore, press the Power button for about 5 to 10 seconds to completely turn off the computer. Then press Power to reopen your computer.

Picture 5 of How to fix computer screen error

6. Check the power supply from the cable

Try checking the power supply from the cable to make sure the screen is getting power. By checking the light on the front or under the screen bezel (blue, green or orange).

If you don't see the light on the screen, try checking the socket again to see if there is any error. If the detachable power cord is on the back of the monitor, try replacing it with one that has a different power cable. After replacing a new outlet and a new power cord, if the computer does not display the screen, it is likely that your screen is faulty and needs to be repaired.

7. Check the LED status

If the screen light (usually located at the bottom of the screen's bezel) is orange or flashing, press any key repeatedly or move the mouse to open the screen. If it's still not available, the computer doesn't turn on the screen, try reconnecting the cable connecting the computer and the back of the screen, then restart your computer and check to see if the computer screen turns on or not. .

8. Try another cable

If the screen power is still on but the screen does not turn on, the connection cable is most likely faulty. In this case, try another cable such as a DVI, HDMI or DisplayPort cable to plug into your monitor.

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9. Hardware can be the reason why the computer screen does not appear

If you have tried all of the above methods but the computer still does not display the screen, it is likely that the screen, video card or motherboard is faulty. Here are some solutions to fix this problem:

- Try connecting another monitor to your computer:

Try connecting another display to your computer. If the other screen still turns on, it can be confirmed that your screen is working less and less and should be replaced with a new screen instead of taking it to a maintenance center, which costs money but may not be as effective as a new screen.

- Try connecting your monitor on another computer:

If your monitor still works normally on another computer, the video card may be the culprit causing the error. Try removing the video card from your computer and installing it on another computer. If it doesn't work on another computer, the video card is most likely faulty and it's time to replace it.

- Motherboard error:

If the monitor and video card work properly on another computer, the motherboard is most likely defective. In this case, you can check and fix problems on the motherboard to fix the error of the computer not displaying the screen. If the motherboard is damaged, TipsMake recommends that you replace the motherboard with a new one to fix the error.  

Above are the most common causes and ways to fix computer screen not showing errors that TipsMake knows. If you have other ways to fix the computer screen not showing error, please comment below to let us know.

Talking about turning off and turning on the computer, we would also like to introduce to you the command to turn off the computer and laptop on a timer. With just a small command, users can schedule a computer shutdown on Windows for any period of time. This trick is suitable for use when you need to freeze your computer to download, update software, or play games for a certain period of time. Just select the number of seconds to shutdown with the computer shutdown timer command on Windows, your computer will automatically shut down at that time.


If there is no way to protect your computer screen, there will be many errors that can occur, one of the common errors is the error of a noisy laptop screen. A noisy screen will make it difficult for you to Looking at the computer screen interface, how to fix a noisy laptop screen is also extremely complicated. If you are not an expert, take it to a shop to avoid the case of a healthy pig becoming a lame pig.

Update 17 June 2024
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