When I turned on my pc it turned on with blue screen but I can see everything on background of blue color. It is like the blue color is trying to block the display.

I unplugged/plugged all connections on the computer, but nothing happened. Then I tested the VGA cable and monitor with a TV box. It's working perfectly. So what's the problem with my computer?

  • Can we have a photo? (By the way, this is a CPU. You have a problem with a computer, not a CPU.)
    – gronostaj
    Apr 21, 2020 at 6:09
  • Do you have software such as f.lux (justgetflux.com) installed on your PC? It could also be a malware.
    – user1019780
    Apr 21, 2020 at 7:30
  • This looks like the graphics card is broken. I suggest fitting a new graphics card to the expansion slots.
    – Burgi
    May 18, 2020 at 18:02

1 Answer 1

  • to work around the damaged VGA output, use a digital connection (there are e.g. cables with a DVI plug on one end and HDMI on the other end, if PC and monitor don't have the same)
  • or replace/add graphics card

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