Having problems with your PC Desktops ?

The desktop won't reboot. The power light stays yellow. I hear a fan running, but the monitor says no signal.


Answers :

If your fan runs and the hard drive spins up, then you have a video card problem.
I'd do this: Disconnect everything inside the case but the CPU, memory, and video. Now try to boot. Also observe the fan on the CPU--does it spin?
If this fails, then your video has probably gone bad. Also--does your computer usually give you a "beep" when it starts up? If so, is it giving you a beep now? If not, you're failing the hardware startup test (POST).
So, your problem may be the video card. If your video is part of the motherboard, then you need to replace the motherboard.
Your monitor cable has been plugged out from cpu side or from monitor side plug it. It will start working
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