We need to determine
whether it is a hardware or software issue.. Turn off the
computer. Tap f2 while turning on the computer. It will
go to bios. Please stay on the bios screen for 30
mins. If the display is looking good on bios then it is a
software issue. If the display is not looking good on the bios
screen then it is a hardware issue.
If it is a software
issue try the following the steps..
Try windows x
go to device manager
expand display adapter
right click on display driver - uninstall
Restart the computer
It should work fine..
If it is still not working
Uninstall the display adapter from device manager
Don’t restart the computer.
Go to support.acer.com
chose your country
type snid or chose your model
go to drivers
Install the display driver
Click on 'Yes' if the comment answers your question!
May I know the full model name of your unit.
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