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power supply issue maybe??

#1sonicteam2k1Posted 7/27/2014 1:37:36 PM
I installed a new PSU tuesday. And today all of a sudden today I'm getting random retarts. At first Asus surge protection kept tripping and restarting the PC, so I disabled it and now afer a little while long it's just restarting.

I have a Corsair CX600

i7 3770K @ 4.3GHz

R9 290X

and have have 7 x 140mm fans.

I'm sure a 600W PSU can power that with no problem.

I had an old Ultra PSU and this barely happened. I replaced it and all of a sudden today it's happening a lot. Any suggestions?
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#2PsythikPosted 7/27/2014 2:09:52 PM
[This message was deleted at the request of the original poster]
#3sonicteam2k1(Topic Creator)Posted 7/27/2014 2:17:27 PM
Psythik posted...
Does your BIOS have a PSU Dummy Load setting? Try turning that on and see if it helps. If not, time to RMA.


I don't know if it has that. I used real temps and run it under load and nothing happens it seems. the hottest my CPU gets ( on of the cores) is 53C. How long should I run it at load to tell if it's just over heating? Because when I bought the new PSU, I also bought a bigger case and more fans for better air flow.
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#4sonicteam2k1(Topic Creator)Posted 7/27/2014 2:23:22 PM(edited)
I also downclocked my CPU to 4.2GHz just to see if there was any difference. No restart yet but I'll wait and see.

edit: after 10 mins at load one core hit 55C. the others are 50-52C
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#5Garage_ManPosted 7/27/2014 2:36:33 PM
Hey I just had this problem with a 290x! It was the motherboard VRM overheating. I just bought a new cpu/board and now no restarts!

Yours sounds like a possible psu issue though.
#6sonicteam2k1(Topic Creator)Posted 7/27/2014 4:47:04 PM
seems like CPU was OC'd a little too high for the cooler I have. downclocked it to 4.2 and it's been fine.
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#7ClouddxPosted 7/27/2014 4:48:37 PM
sonicteam2k1 posted...
seems like CPU was OC'd a little too high for the cooler I have. downclocked it to 4.2 and it's been fine.


Try upping the voltage, unless your at the Max Temp of the CPU.
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#8PsythikPosted 7/27/2014 4:51:05 PM
sonicteam2k1 posted...
Psythik posted...
Does your BIOS have a PSU Dummy Load setting? Try turning that on and see if it helps. If not, time to RMA.


I don't know if it has that. I used real temps and run it under load and nothing happens it seems. the hottest my CPU gets ( on of the cores) is 53C. How long should I run it at load to tell if it's just over heating? Because when I bought the new PSU, I also bought a bigger case and more fans for better air flow.
Ignore my post. I replied to the wrong thread.
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#9sonicteam2k1(Topic Creator)Posted 7/28/2014 5:01:19 AM(edited)
I think I have it narrowed down. I don't think it was the PSU after all. I think it was EATX 24 pin power connector was loose and not snapped in securely. I was able to easily disconnect the cable without pressing down on the release clip.

When I ran the cable through the back of my new case, it didn't have a lot of slack. so when it wasn't "snapped" in, the tension was pulling the cable out over time I believe.

This morning the PC was off and when I turned it on, it would light up for a brief second then shut off, I noticed one of my top fans that was plugged directly into the board would not power on, but the one plugged directly into the PSU via molex would.

So I ran the cable directly into the port (not from behind the case) and made sure the connector snapped in tightly. Also I made sure the 8 pin connector on the other side of the board was secure. PC came on with no problem and seems to be doing ok. I'll know for sure when I get home from work.


So the board wasn't getting sufficient power because of the loose connection I think. What do you guys think?
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