Why does my laptop screen flicker and get noisy? How to fix it?

The phenomenon of laptop screen flickering and jerking is a situation that many people encounter while using laptops. Not only for old laptops, even new laptops are very likely to encounter this situation. So what is the cause of this situation? How to handle it?

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Causes of laptop screen flickering and interference

There are many reasons that can lead to the laptop screen flashing black . But the most common examples are as follows:

1. Loose screen cable

Laptop screen cables are usually hidden through the laptop's hinges. During use, opening and closing the laptop screen can cause the screen cable to loosen. This causes the laptop screen to flicker continuously.

2. Video card error

The video card is the device that is mainly responsible for the display of the laptop. If the video card is faulty, the display of the screen will not be guaranteed. Normally, if the laptop video card is faulty, it will cause the laptop screen to flicker occasionally. The phenomenon of the computer screen being jittery during use is also a sign to recognize this case.

3. Wrong scan frequency and resolution settings

Laptop screens, like computer screens, usually have a fixed resolution and refresh rate. If you set this parameter beyond the maximum allowable output of the screen, the laptop screen will occasionally flicker, and you will even see the laptop screen flashing black continuously .

4. LCD screen error

LCD screens all have a certain lifespan. When they are past their lifespan, the screen will not work properly. However, there are many cases where even new screens experience this problem. This is mostly affected by the user's habits and frequency of use.

How to fix laptop screen flickering

 Similar to the above causes, the corresponding ways to fix the flickering laptop screen error are as follows:

Reinstall, replace laptop screen cable

To confirm that your laptop has a faulty screen cable, you can try to slowly open and close the laptop screen. If this makes the screen work normally, then the cause of the flickering laptop screen is definitely the cable. Another way to test is to gently tap the hinge or screen to see if the screen stops flickering.

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Replacing the laptop screen cable is not difficult, but it requires carefulness and dexterity because the screen cable is very thin. If you accidentally break it, things will be more complicated. On most current laptop models, you just need to remove the screen bezel to see the connecting cable. However, the advice for you is to go to the repair center to check and replace! 

Replace video card

Replacing the video card (VGA) on a laptop is not as simple as on a PC because the laptop's VGA is usually soldered on the main board. But it is not impossible, some computer repair shops can heat the old VGA chip out and re-solder a new VGA chip (usually removed from other old machines) to replace it. This method can help you fix the flickering laptop screen error, but you can still have it again after a few months of use.

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Laptop VGA is usually soldered on the main board.

Reset screen parameters

On the Desktop screen, right-click and select Display settings . Here you can adjust the screen resolution in the Display resolution section or the resolution in the Advanced display settings section. 

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Replace new screen

Replacing the screen is the optimal solution when the screen is faulty. Saving a little money on repairs is sometimes ineffective, and it is easy to get errors again during use, making us more uncomfortable. The price of replacing the screen on the market is currently around 1 - 2 million depending on the screen. However, you should go to the official warranty center to replace the screen if you do not want to buy a fake or poor quality screen.

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Above are the reasons why the laptop screen flashes black, the simple solutions that TipsMake shares with you. Hopefully, it will be useful knowledge to help you handle if your laptop encounters this situation. 

Marvin Fry

Update 16 January 2025