I am working on a friend's computer. They have an Acer Aspire M5640 desktop with Windows Vista Home Premium. They initially called and told me the system would not boot. When I took a look they turned it on and the monitor said "no signal." There is no splash screen and I cannot even see the POST.
I brought it home and tried it with one of my monitors. Same thing; nothing showed up on the screen. The blue power light turns on and the case and power supply fans work when you push the power button. I opened up the case and removed the RAM and disconnected and then reconnected all cables. I tried it again and still no luck.
Has anyone else encountered this? Should I try to install a new graphics card in case the onboard graphics card has gone bad, or could it be the MOBO?
Any help would be greatly appreciated.
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Take out the video card(if any) and attach the display connector to the onboard graphics chip's port.
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