Question Desktop hangs at bios logo screen, working fine when it's moved to diagnose

Oct 9, 2019
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Hello experts,

There's a desktop in the office which hangs at the bios logo screen.
The thing is when IT guy took it away to diagnose, everything is fine.
It boots without a problem.
We suspected that it might be the power issue but the power board where the desktop is connected has no problem.

One thing to note is that it had both DVI and HDMI cable connected from the monitor.
When I plugged in both DVI and HDMI cable and pressed 'del' to enter the bios menu, the monitor just went black.
There's no display even if I pull both cable and connect one only.

Any suggestions? Thanks heaps!!
 
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