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mootehcow August 31, 2010 03:01 AM

Random Reboot's
Hi Everyone

I've been having issues recently with my recent build randomly restarting itself, no BSOD's, it does not seem to be triggered by anything in particular in terms of internet browsing gaming etc. However when I check event manager I see Kernel Power Error 41 63. I have tested both sticks of RAM on their own over a period of about 12 hours each and the system appears to be ok (using Windows Memory Diagnostic). The issue occured when both sticks were in. So it seems to me that the RAM isn't the issue. Cpu temps are all within limits.

Bad PSU?? Looking for some other opinions.

System Specs: (Primarily Gaming, Internet and School comp)

AMD Athlon II X4 635
Gigabyte M68M-S2P
4gb Kingston DDR2 ValueRAM KVR800D2N5K2/4G
ASUS Quietrack DVD-RW
Seagate Barracuda 7200.12 500 GB 7200 rpm 16MB Buffer Serial ATA 3.5"
WD Caviar Green 1TB
Antec 200 (stock rear 120mm, stock 140mm, x2 Noctua NF-S12B, 1 Scythe Kaze-Jyuni "Slip Stream" 120mm)
Windows 7 64bit
CoolerMaster Elite 400W PSU

Any advice is much appreciated!:biggrin:

_dangtx_ August 31, 2010 10:45 AM

hey dude.

the psu is not a top notch unit, but if everything is stock,in theory, it should be fine.

proper memory test would be a pass or more of memtest. do get ubcd, its got a few more utilities on it.

how do you check temps? i suggest everest. when you have everest open, load up prime95 aand see what gives. might want to run furmark for the videocard, although id run it separately from prime95.

you seem to have proper cooling in that antec.

crazyhorsejohnny August 31, 2010 01:58 PM

Like Dan said (and Zero can confirm) your power supply isn't great but should be adequate enough. To 100% eliminate your RAM as the problem rum Memtest. First one stick at a time and then with both in. And check your temps with everest or hardware monitor just to be safe.

Oh yeah make sure your cpu fan is spinning. Had a Buddy recently who had random resets and that was the problem.

mootehcow August 31, 2010 02:12 PM

I ran Prime95 and it showed no issues. CPU fan is ok but I'm going to replace the stock heatsink with something aftermarket anyways. As for the power supply I will be replacing that anyhow because I do want to upgrade the system in the future. So I just need to go run memtest and see how that goes.

On a side note after cleaning both sticks of ram and their mobo slots it seems to be running ok.

Thanks for the help!

tzetsin August 31, 2010 02:41 PM

first thing you should do is press F8 right after your BIOS boot screen, then turn off "REBOOT AFTER SYSTEM FAILURE" then when it fails again, you should actually GET a bsod screen, then you'll have oodles more info to work with.

mootehcow August 31, 2010 02:48 PM

Sorry I forgot to mention that I did turn off "reboot after system failure" and still no bsod's...

SugarJ August 31, 2010 02:50 PM

I had a similar issue a couple of weeks ago. Turned out to be the PSU. If it continues, that would be my first guess.

_dangtx_ August 31, 2010 02:56 PM

all right. back to the psu. that should be the one.

275 watts on the 12v rail. at what temp[erature the psu is rated, thats another thing

but your system eats around 200 watts at load, i believe.

the load tests are quite good for a low end unit. plus its got overload protection, which might or not might be the cause of the reboots. i doubt it since it should just shut down, not reboot.

now the above looks like a winner, in its category/price range but if you look at the graphs, big nono. that could be the most probable cause.

or you got something else thats buggered :)

mootehcow August 31, 2010 03:18 PM

Image links don't work =( all I saw was "image stolen unauthorized copy".

AkG August 31, 2010 03:22 PM

Long shot where you are not getting bsod's. BUT download "WhoCrashed". Run it. See if it can find any dumps to analyze and give you a hint at whats happening.

Like I said its along shot w/out a BSOD...but worth a shot.

Resplendence Software - WhoCrashed, automatic crash dump analyzer

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