Odd problem with my IP35 Pro

K

Krivicide

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Nov 30, 2007
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My system had been running fine for months, until a couple days ago when, after a power outage, the machine wouldn't even stir when I tried to power it on, even though it had been plugged into a surge protector. The lights on my IP35 pro were no longer shining.

Hoping to isolate the problem, I unplugged my Corsair TX 650W PSU and tried an old 300W I had lying around. I plugged the 20-pin into the mobo, and got lights! I therefore deduced that my PSU had gone bad.

Today I purchased a 650W Antec replacement, brought it home, plugged in the 24-pin connector... no lights. Curious, I pulled out yet another old PSU I had, plugged in the 20-pin, and, again, the lights on the mobo lit up.

I've come to the conclusion that either A) I'm really unlucky and the Antec PSU was dead in the case, or B) There's something else going on that's preventing my system from getting power from 24-pin connectors. Any thoughts or advice?
 
Update: I wasn't aware at first that the Corsair PSU had an option to remove 4 pins to connect it to 20-pin mobo's. I plugged it into an older system, and it works fine. I tried plugging it into the dead machine with only 20 pins, but had no luck. I'm thinking my mobo is at least partially fried... although it seems very unusual that it would respond with lights with the older PSU.
 
Krivicide said:
Update: I wasn't aware at first that the Corsair PSU had an option to remove 4 pins to connect it to 20-pin mobo's. I plugged it into an older system, and it works fine. I tried plugging it into the dead machine with only 20 pins, but had no luck. I'm thinking my mobo is at least partially fried... although it seems very unusual that it would respond with lights with the older PSU.
Click to expand...

Sounds like mobo. Unplug everything from mobo and try it, then pull it out of the case if it doesnt work. If you get the same results you need to be looking for a new mobo. Good thing is that the mobo is already out of the case at that point.

I've resoldered numerous boards that are technically 'bad'. They run windows just fine, theres probably just a particular part on the mobo in which power is not getting to, LEDs are not a good measurement for judging good/bad parts on.

Obviously try exchanging parts first to ensure its not video/ram/etc
 
New Update: Coming to the conclusion that the mobo was to blame, I disconnected everything and took it out. Out of curiosity, I plugged my PSU in to see if it got power... lo and behold, power!

I then proceeded to reconnect everything piece by piece to find the culprit: The USB connections for the front of the case. Leaving those disconnected, I reconnected everything and tried to boot up... I have power, only now, I'm faced with intermittant BSOD's. These seem to have a variety of causes according to the BSOD, but most of the time it happens 20-30 seconds after windows loads. I'll list some here:

IRQL_NOT_LESS_OR_EQUAL
SYSTEM_SERVICE_EXCEPTION

There's also one about Page Faults that I don't recall... Occasionally, the computer will just restart with no BSOD or warning of any kind.


My intuition tells me my Vista may be corrupted, but unfortunately I'm out of town and don't have my Vista CD handy. Any other thoughts or ideas?
 
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