Screen cable check
Loose or damaged screen cables can cause images to appear striped.
How to do it: Turn off the device → Check and replug the screen cable → If using a separate screen, try changing to another HDMI or DisplayPort cable → Check the image.
Restart the computer
Temporary display errors can cause stripes to appear on the screen.
How to do it: Save data → Select Start → Power → Restart → Check the screen after the machine restarts.
Restart the graphics driver
Graphics drivers with errors can cause screen stripes.
How to do it: Press Windows + Ctrl + Shift + B → Wait for the screen to blink and the graphics driver to restart → Check the screen again.
Update graphics card driver
Old or incompatible drivers can cause display errors.
How to do it: Open Device Manager → Select Display adapters → Right-click on the graphics card → Select Update driver → Restart the device.
Check with another screen
Connecting to another screen helps identify whether the error is on the computer or the screen.
How to do it: Connect the computer to the external screen → Check images → If the external screen displays normally, it is highly likely that the screen or cable of the device initially had problems.
graphics card check
Overheated, loose graphics cards or errors can cause images to be striped.
How to do it: Turn off the computer → Check the temperature and cooling system → For desktop computers, check the graphics card installation location → Clean dust if needed.
Screen scanning frequency check
Inappropriate scanning frequencies can cause abnormal displays.
How to do it: Open Settings → System → Display → Advanced display → Check Refresh rate → Select the frequency level supported by the screen.
When is it necessary to take the machine for inspection?
If the screen is still striped after trying the above methods, the cause may be due to:
1: The screen panel is broken.
2: Screen cable is broken or damaged.
3: Graphics card has problems.
4: Mainboard or components related to the display are faulty.
Users should bring the device to a warranty center or reputable repair facility for inspection, especially when the screen shows stripes right from the start.
