need help troubleshooting

I

I3eyond

Gawd
Joined
Jan 14, 2006
Messages
937
friend of mine's computer has been having some issues.

first, it seems that the monitor is dead as well as the onboard graphics...

both the monitor and the computer were plugged into the same outlet without any kind of surge protection... my hypothesis is that a lightning storm we had did some damage, although i don't know...

thinking the onboard video was dead, i bought an agp card for them and installed it. it worked, and then i turned the computer off to watch the panthers lose. ( :rolleyes: ) when i turned it back on to disable the onboard video and to install the drivers, the computer wouldn't boot.. monitor remained black and never responded (this was off of another monitor my friend had at their house)

so i took the computer home to see if that monitor wasn't screwy as well. computer doesn't work on my monitor, either.

i have tried resetting the CMOS and trying both the onboard video and the agp slot. what really has me puzzled here is how the computer worked fine after i first installed the card, but not later on. i've tried another PSU with the system as well, and it still didn't work, although i cannot be sure the PSU i used wasn't dead itself..

anyone?
 
Well from what you've told us, you need to eliminate your mobo and proc as the malfunctioning part too. Get a known working psu and test from there.

Until you elimiinate the PSU as the problem you really shouldn't go any further.

come back when you've done some more testing.
 
went and bought a new power supply...

same thing with both the onboard video and the agp card. after a couple of tries it did work, however.. (only once) .. then i turned it off, and it didn't work again.

went out and bought a pci gc as well. same thing. if i take the ram out it beeps sequentially. now, however, when the computer turns on i get a single beep (even with the ram in). there is a blue led under the power switch and it doesn't come on now. the power switch doesn't work either. it appears the connectors are plugged in for them.
 
emachines t2982 is the pc, btw.

another thing i just noticed: when the pc first turns on the optical drive has power to eject the tray, but a few seconds later it has no power and must be pushed in to close...
 
since the power switch doesn't work, i turn the pc on by unplugging/plugging in power supply cord (that goes to wall). in other words, the pc is in the on position at all times. even if i unplug power switch connector it still boots.
 
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