PC Turns on but No Display FAQ
Problems might vary from something as small as a single stuck pixel to something more obvious like color distortions or screen flickering
Make that the USB Type-C, HDMI, and Display Port cable you plugged into your monitor is secure
Using the same cable to connect your PC to an other monitor would be the most practical approach to troubleshoot further
First and foremost, confirm that your display is operating in Windows or MacOS at its native resolution
If the resolution is right, you should access the OSD menu on your display and start a factory reset
Due to their similarity in appearance, dead and stuck pixels can be easily distinguished from the rest of the image on a monitor
Those who are already seeing a BIOS flash screen or the Windows logo before it turns blank
While dead pixels are unfixable, stuck pixels are fixable with reasonable ease
For more details
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