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Computer Problem

H

haduken

Senior member
Hi, I recently purchased a motherboard and amd 64 combo on the for sale/trade forum. I installed it, and everything worked fine for four days. On friday night the computer just powered down, and I cannot get it to post again. I have replaced the ram, video card, and power supply, each without success. The motherboard is an Asus k8v, cpu AMD 64 3000+ retail. I was originally using 2 gigs of Samsung DDR 400, but have also tried 2 x 256 of Kingston Pc-2100 RAM. I'm not sure what to do, because I can't switch out the processor to test another one. The switches don't work on the mobo, so when I switch the power supply button it it simply cranks on the cpu/graphics card fans, nothing more. Anyone have any suggestions?

Also, if the motherboard and cpu are possibly trashed, what liability do you think the seller holds, if any? I had the system working for 4 days, so it wasn't exactly DOA, but I'm wondering if that amount of time is long enough to call it a good product. Any help would be appreciated, thank you.
 
What are the brand and model of each of the two power supplies that you used? Is there any error message from the board's speech diagnostics, if you plug powered speakers or headphones into the green jack on the rear? You did have your ATX12V cable hooked up to the mobo, right? 😉
 
Yes, the cables were hooked up. No I didn't hear any series of beeps, but I will plug in speakers and try. One power supply is AG 480 W, the other is 350 W turbolink power supply. I'm sure that this system would like a better power supply, but would that stop it from posting with no other components attached?
 
It's possible. Why run a good system on a cheap PSU? You risk having the PSU go *poof* and nuke everything else on its way out. I guess I'm an awful PSU snob, but I'd suggest picking up a new, high-quality unit that has lots of 12V amperage, since new mobos and video cards are hitting harder on the 12V lines these days. suggested PSU with dual 12V rails.

Just what you wanted to hear, I'm sure... :evil: ~ spend more money! But if I sold a board and the buyer was claiming fault when he was running it on cheapie PSUs, I'd be :roll:.
 
Agree totally with mechBgon. Would be ethically wrong to try to pawn your problem off on the seller. I think the best you could hope for is a refund from the manufacturer of the power supply "if" you can prove manufacturing defect.
 
Yes, the question I have is what could be wrong with the motherboard. If the current power supply I have, and the other I used to test it both function on another motherboard, can it have damaged this motherboard?
 
The fans run consistently. I have also tried clearing the CMOS without any luck. It's weird because it doesn't require me to hit the power switch or trigger the jumper with something -- it now just powers on as soon as I flip the switch on the power supply.
 
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