My computer shut down, no signal to monitor

December 6, 2009 at 11:33:53
Specs: Windows XP
Just the other day, my computer suddenly shut down without warning, like someone pulled the plug. I can try to start it up, all the fans work, but there seems to be no signal going to the monitor or keyboard, I know the monitor is good. About two weeks ago I installed a new motherboard, Foxconn g41m-s, everything was working fine until it shutown. I tried reseating everything, including the bios battery, and resetting the jumper, still no output to the monitor. I think the cpu or motherboard is dead, but would like to know for sure before spending any more money. Am running Vista 32 bit.

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December 6, 2009 at 12:43:00
This kind of troubleshooting has been described here hundreds of times. Your powersupply may have failed. Just because fans spin that does not prove the PSU is still fully working.

If you have access to another powersupply, that's your starting point. Without a known good PSU you cannot confirm what other components might have gone out.

Once you have a good PSU, strip the system down to barebones. ie: disconnect all power & data cables from all drives. Take out all but 1 stick of RAM. Disconnect all usb devices. Leave only motherboard, CPU with heatsink fan, 1 stick ram, PS/2 keyboard, and graphics. Use onboard . Now connect power and try to boot into bios.

Any display? Any POST beeps?

Goin' Fishin' (Some day)

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