PC starting, no display

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Guest

Guest
Hi.

My computer starts, but there is no display - no BIOS/bootup screen or anything. The graphics card is integrated onto the motherboard. I also tried using an external graphics card, still no display. I tried a different power supply unit, removed and reinserted the RAM, to no avail.

Does this seem like a motherboard issue? Is there anything else I can try? The following are the specs: http://support.acer.com/acerpanam/desktop/0000/Acer/AspireM1640/AspireM1640sp2.shtml
 
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Guest

Guest
The processor fans, hard drive etc all power up and all fans start blowing, but there is no display. I have to hold the power button to turn it off. I swapped out the 250W power supply that is currently in it, and tried a 450W power supply, same thing happens. I do not have the makes and model numbers of the PSU's handy at this time, will post this in a few hours. I can however verify that both PSU's work on another PC, which sorta rules out them as being faulty.