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Random PC Poweroff

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March 4, 2012 12:32:19 AM

First, here are my systems specs:

CPU: i7 2600k running at stock 3.4gz
CPU Cooler: Thermalright Venomous X-RT
PSU: 900w
Mobo: Asus P8P76 Rev B3
8GB ram
GFX: Gefore GTX 460
2 HDDs
Optical


So randomly, maybe once or rarely twice a week, my computer will just shut off as if i pulled the plug from the PSU and then power back on 4 seconds later. I replaced the PSU with a new 900w one, so its not that since the problem existed both before and after that. Obviously overheating was the first thing that came to mind. However, it will occasionally happen while not under load, and when I check the internals they are not unusually warm.
It happened most recently about 10 minutes ago while at, to my guess, a 8-13% load with 60% ram usage. I got these numbers from the BIOS immediately(10-20 seconds) after the shutdown.

Temp:
CPU Temp: 52 C
MB Temp: 39 C

Voltage:
CPU: 1.160v
3.3v: 3.408v
5v: 5.080v
12v. 12.192v

If any of these numbers look unusual or you have any idea as to why this may be happening I'd greatly appreciate the help. I don't want to have my rig go through a premature death :p . THANKS!

More about : random poweroff

a c 127 à CPUs
March 4, 2012 12:55:54 AM

Possibly a RAM issue. What RAM are you using? Are the timings and voltage set in BIOS properly?
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March 7, 2012 6:45:32 AM

Ok so after it happened again i checked some ram settings. they were:
Memory Frequency - Auto
ALL RAM timings - auto
DRam @ 1.665v - auto
VRM Freq - auto
VRM spread spectrum - disabled

These were all the settings related to RAM i noticed. Anything look strange?
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March 8, 2012 10:13:57 PM

The SAME EXACT THING has been happening to me for MONTHS. I've sent PRACTICALLY EVERYTHING to RMA already, spent over 200€ in travels / packages to send the parts to the store, only one thing left: THE MOTHERBOARD (And graphics card, but this one i already tested on another system, it worked flawless for 2 weeks).

It's exactly as you say, the computer will just shutdown and then a bit after start up, no mater if it is with overclock or at stock. My board is the same chipset as yours, however mine is a P8P67 Deluxe.

I can't right now say "send your board to RMA and it will be fine", since mine will only go out to RMA monday next week. But i'm practically 100% sure it's a board problem that you and i are having. DO you have any other board to test with? My problem is that no one i know has the same chipset as i am, so i can't test it :pfff:  .

Lets see if we can get out of this Sandy Curse once and for all!
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April 8, 2012 2:36:38 AM

People, just send out the god damn board to RMA. The Replacement won't have the problem! Also, DONT USE LLC EXTREME! That thing is a board killer! Thats all! :bounce: 
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