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Trouble Shoot a strange problem

post #1 of 7
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So in an effort to scientifically determine another OCN users claims about 4 phase power, I blew out the VRMs on my sig mobo. I will apologize to him when I get a working computer, but for now I have some weird problems.

So, blown mobo, no problem, will RMA it. I pop out my mobo, drop in my old AM2+ mobo with old RAM, hook everything back up, ready to go!
Hit the power button, greeted by my old friendly fan power up sounds, quite reassuring, except no other sounds accompany it. Nor does any video come up. Ruh roh!

No POST, no error codes, no nothing. Hmm, did I blow out my CPU too? sadness. So I drop in my old Athlon64, hit the power, same problem? ***.
Maybe I blew out my video card too? Swap out my newer card with my old gtx 260. Nothin. I swap THAT out with a freakin GT8500, nothin. Aw crap did I blow my PSU?

Go to BB, grab a corsair GS700, hook it up. So now I'm running a brand new PSU, my old working AM2 mobo, my old am2 CPU, my old ddr2 ram, an ancient GT8500, all components that had nothing to do with the original incident. I don't even plug any HDs or fans or (cept CPU) anything in. Hit power...

Fans spin up, but again, no POST.

What in the world is going on? Does anyone have any idea? Because I'm a bit stymmied here. Have at it diagnosers!
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post #2 of 7
Pull your battery for 10 minutes. Get back to default BIOS.
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post #3 of 7
^ this
reset bios
there should be a jumper clrrtc, move it over for about 5secs, then back
then turn it on again
post #4 of 7
You blew a board to try and prove a point?
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post #5 of 7
Thread Starter 
Quote:
Originally Posted by Nixuz View Post
You blew a board to try and prove a point?
I'm reasonably sure I said exactly that. To be fair I didn't blow the board, the board blew itself.

Quote:
Reset BIOS
I thought I had done that, the board actually didnt have a jumper on it, so I had to pull one from one my old HDDs, but maybe I didn't do it long enough. Will try both leavin the jumper on longer and if that fails I will pop the battery. Will report back results tomorrow.
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Bleeding Edge
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post #6 of 7

Not again. This is the 5th VRM failure I've seen here in the last 5 days or so, it's become nearly a day-to-day thing. It's just happening too often now...

In a rare case you might've taken the CPU out with it all, but MOSFET blows usally don't do that as they cut power to the CPU, not overload it to the point where damage is caused. The other parts not related whatsoever not POST-ing probably have nothing to do with the current incident, may be an issue on the AM2 mobo.
What are you using that is the same? HDDs? Case?
Edited by xd_1771 - 3/1/11 at 8:22am
post #7 of 7
Thread Starter 
Quote:
Originally Posted by xd_1771 View Post

Not again. This is the 5th VRM failure I've seen here in the last 5 days or so, it's become nearly a day-to-day thing. It's just happening too often now...

In a rare case you might've taken the CPU out with it all, but MOSFET blows usally don't do that as they cut power to the CPU, not overload it to the point where damage is caused. The other parts not related whatsoever not POST-ing probably have nothing to do with the current incident, may be an issue on the AM2 mobo.
What are you using that is the same? HDDs? Case?
To be fair I was mightily curious as to your threads claims, and loaded the board as heavily as I could to see the results. And they were what you suggested (I was running an unlocked x2 on 4 cores, overclocked as heavily on the FSB as I could go to > 4GHz with a 7GB Linx load for a awhile, don't recall exactly how long). I still get the feeling that I would have survived a less overly intensive load, but I will support your threads warnings to folks now
I just can't live without testing things for myself.


So, long story short on my end, I am back up and running, everything but the board survived, apparently the one piece of hardware I was sure was fine and didn't test was the one piece that was the problem. One of my old DDR2 DIMMS apparently FUBARd itself from sitting idle in a box. Go figure. Down to 2GB now though until my RMA comes back

P.S. thanks to the peeps with the suggestions, rep for you guys.
Edited by ocpokey - 3/1/11 at 5:12pm
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Bleeding Edge
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