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PC Randomly Restarting

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Last response: in Windows 7
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November 14, 2010 5:01:50 AM

So, a while back my pc had been randomly restarting. One day it never would turn back on. I had to RMA my motherboard and pwr supply just for the sake of knowing. I got them back recently and it kept happening! This time more frequent. It is like 2-20 minutes. It has never really lasted longer than that without rebooting. It does this infrequently. I did a reformat of my c drive and reinstalled windows 7. Updated bios, virus scan, and all drivers. No avail, still happens. No memtest yet, but how is this still happening?

Much appreciated.

ma78gm mobo
600ocz pwr supply
4gig ddr2 800 2 stick
win 7
8800gt
rzr barracuda
raptr 150
wd 160
2x wd 250

More about : randomly restarting

a b $ Windows 7
November 14, 2010 5:50:37 AM

What are you PC temperatures?

What model HDD are they? are they in RAID?

Which of the five drives i the system drive?
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November 14, 2010 5:59:17 AM

Sounds like something overheats. I had similar problem about year ago: PC just randomly booted its self like after 20-30 minutes.


Lee
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November 14, 2010 3:29:47 PM

PC Temps hover around 36c. The hard drives are in a ide setup mode for now. I thought overheating was the problem, but I had a fan set up with the case open to see and it still has random resets.

One problem I think is the network card. Realtek onboard lan may be causing instability problems. The pc restarts mostly when I use the internet. before the drivers were installed I couldn't plug in the ethernet without the pc restarting. Plugging in usb devices sometimes triggers a restart to. This motherboard has been doing this since I had my old one before the RMA. Must be driver related? No memory dumps though and the restart on system failure is unchecked. wat do?

I could watch tv shows for a long time and I don't think it ever reset while doing so. I did a memtest for 7 hours and it seemed fine. Never completed it though.

Thanks.
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November 14, 2010 3:30:46 PM

I have a raptor partitioned into c: and d:. drive. Win7 is on the c: drive.
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November 14, 2010 4:50:42 PM

Performance data here.

- System

- Provider

[ Name] Microsoft-Windows-Diagnostics-Performance
[ Guid] {CFC18EC0-96B1-4EBA-961B-622CAEE05B0A}

EventID 100

Version 2

Level 2

Task 4002

Opcode 34

Keywords 0x8000000000010000

- TimeCreated

[ SystemTime] 2010-11-14T18:43:40.274120600Z

EventRecordID 121

- Correlation

[ ActivityID] {851AE364-19E3-0001-A6BF-6F952B84CB01}

- Execution

[ ProcessID] 1420
[ ThreadID] 1432

Channel Microsoft-Windows-Diagnostics-Performance/Operational

Computer Nashery

- Security

[ UserID] S-1-5-19


- EventData

BootTsVersion 2
BootStartTime 2010-11-14T18:41:43.578000200Z
BootEndTime 2010-11-14T18:43:38.560022600Z
SystemBootInstance 69
UserBootInstance 68
BootTime 68608
MainPathBootTime 26908
BootKernelInitTime 17
BootDriverInitTime 462
BootDevicesInitTime 3203
BootPrefetchInitTime 54179
BootPrefetchBytes 447938560
BootAutoChkTime 0
BootSmssInitTime 6501
BootCriticalServicesInitTime 452
BootUserProfileProcessingTime 2307
BootMachineProfileProcessingTime 167
BootExplorerInitTime 7847
BootNumStartupApps 17
BootPostBootTime 41700
BootIsRebootAfterInstall false
BootRootCauseStepImprovementBits 0
BootRootCauseGradualImprovementBits 0
BootRootCauseStepDegradationBits 0
BootRootCauseGradualDegradationBits 0
BootIsDegradation false
BootIsStepDegradation false
BootIsGradualDegradation false
BootImprovementDelta 0
BootDegradationDelta 0
BootIsRootCauseIdentified false
OSLoaderDuration 1936
BootPNPInitStartTimeMS 17
BootPNPInitDuration 3225
OtherKernelInitDuration 1630
SystemPNPInitStartTimeMS 4724
SystemPNPInitDuration 441
SessionInitStartTimeMS 5296
Session0InitDuration 1447
Session1InitDuration 188
SessionInitOtherDuration 4865
WinLogonStartTimeMS 11798
OtherLogonInitActivityDuration 4788
UserLogonWaitDuration 602
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November 16, 2010 6:26:28 PM

Have you tried one stick of memory at a time? I have seen memory pass a mem test and still be faulty and I have also seen the smallest piece of dust on a mem chip making the machine not want to boot.

Also look at this article there is an advanced BIOS interface they mention: http://www.legitreviews.com/article/676/4/
"'ctrl+f1' to unlock the advanced features of the BIOS."
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November 16, 2010 6:32:37 PM

Make sure you have the correct Mem voltage in the bios for your particular memory. 1.8-1.9 I would try 1.8 and see if that works if not, go to 1.9.
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November 17, 2010 1:30:26 AM

I have tried using 1 stick of memory in each of my four slots. It also has been cleaned. well. I had once heard about my mobo not being grounded well. but I have taken it out a bunch before and reset the mobo. Sometimes when this happened (before RMA), it would not turn back on. Often I had to take everything apart and put it back together before it worked again.

I'll try the bios features. Thanks!
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!