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September 18, 2010, 05:53 PM
Join Date: Jan 2010
Location: Montreal, QC
My System Specs
My computer has been perfectly stable for a few weeks now (since my last hardware/system changes). However yesterday I got a random reboot while idling in desktop (I wasn't there at the time). Today I got another one while watching a movie, and it's quite strange. There was no error message, no blue screen, just instant power off and reboot, similar to when you hit the reset button.
Intel Core i7 920 D0 @ 3.67Ghz (37C idle, 75C max Prime95; stock VCore; Coler Master V8 + AS5)
Gigabyte EX58-UD5 (BCLK @ 175Mhz)
G.SKILL 3x2GB DDR3 1333Mhz @ 1400Mhz
ASUS GTX 470 (driving dual 24" 1080p monitors)
ASUS Xonar Essence ST
Corsair AX 750 (750W 80Plus Gold certified)
Windows 7 Professional 64-Bit
I know, I know, first thing to question when these problems occur is the overclock. But because there were no error messages or BSODs, and I tested my overclock pretty extensively (12 hours of Prime95 blend and 50 pass of IntelBurnTest), I think it may not be caused by the overclock. All my temps are fine, and the system has been stable in this state for a few weeks without any problems. Obviously if it happens again I'll lose the overclock and see, but I'm just curious as to what else these random error-less reboots could be caused by.
Just a side note, I haven't re-installed Windows for quite a while (half a year), and I've gone from an ATI 4850 to a 5850 to a GTX 470 in that period (I used Driver Sweeper when switching to nVidia). Don't know if it could be caused by that?
Any tips are appreciated, thanks in advance!
My System Specs
Intel Core i7 920 @ 3.67Ghz
Corsair 3x4GB DDR3 1600
nVidia GeForce GTX 680 2GB
Samsung 840 Pro 512GB SSD + HDDs
Corsair AX 750 Gold Professional
Cooler Master CM 690 II Advanced
Creative SB X-FI Titanium HD (2 x LME49710HA)
Windows 7 Pro 64-bit
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