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PC Random Reboot

Last response: in Components
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June 22, 2012 1:12:29 PM

Hello,

I'm having a problem where my PC randomly rebooted. No blue screen, no error notification, or etc. It just like, the power got cut off, then reboot. I've tried to reinstall the windows 7, and xp still doesnt seem to solve the problem.

The reboot happen very random, when surfing on the net, playing games, playing vids. It just goes black. And there is one thing for sure that always trigger this problem,

Computer -> Right Click -> Properties. Whenever I tried to do System Rating, it always restarted at one of the steps.

Here is my Spec :
Core i7, 2600k
Zotac GeForce GT 430
2x 4GB RAM
MotherBoard AsRock IIH61-13
PSU : SILVERSTONE ST50F-ES 500W (80% Efficiency)

All the components are pretty new, and not even 4 months old. My friend said it might be the PSU problem, but I'm not sure. I was thinking it might be the VGA or Motherboard. It was working fine last week, I just face this problem about 2-3 days ago.

Thanks!

More about : random reboot

June 22, 2012 1:16:00 PM

Oh and yesterday, right after the random reboot appeared. I disconnected my pc from electricity and open the cpu box. No overheating it seems, the temperature is normal and nothing smelly, checked the motherboard capacitor, seems normal and no bulge.
June 22, 2012 1:44:06 PM

You may have a hardware issue. Start by looking at event viewer for system event errors. Random reboots could be a sign of RAM or HDD issues. Run dianostics for both.
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June 22, 2012 4:24:36 PM

price_th said:
You may have a hardware issue. Start by looking at event viewer for system event errors. Random reboots could be a sign of RAM or HDD issues. Run dianostics for both.

I ran event viewer and got this

Log Name: System
Source: Microsoft-Windows-Kernel-Power
Date: 6/22/2012 11:20:05 PM
Event ID: 41
Task Category: (63)
Level: Critical
Keywords: (2)
User: SYSTEM
Computer: theref-CCenter
Description:
The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Microsoft-Windows-Kernel-Power" Guid="{331C3B3A-2005-44C2-AC5E-77220C37D6B4}" />
<EventID>41</EventID>
<Version>2</Version>
<Level>1</Level>
<Task>63</Task>
<Opcode>0</Opcode>
<Keywords>0x8000000000000002</Keywords>
<TimeCreated SystemTime="2012-06-22T16:20:05.814814600Z" />
<EventRecordID>45611</EventRecordID>
<Correlation />
<Execution ProcessID="4" ThreadID="8" />
<Channel>System</Channel>
<Computer>theref-CCenter</Computer>
<Security UserID="S-1-5-18" />
</System>
<EventData>
<Data Name="BugcheckCode">0</Data>
<Data Name="BugcheckParameter1">0x0</Data>
<Data Name="BugcheckParameter2">0x0</Data>
<Data Name="BugcheckParameter3">0x0</Data>
<Data Name="BugcheckParameter4">0x0</Data>
<Data Name="SleepInProgress">false</Data>
<Data Name="PowerButtonTimestamp">0</Data>
</EventData>
</Event>

Done diagnosing my HDD and Memory test, and found no problem. I'm confused on what's wrong with my pc,
June 22, 2012 5:35:39 PM

I found out that, my motherboard reads my DDR3 as 1066MHZ (Auto setting), I checked the thing and its written 1333MHZ, so I have to changed it manually there into 1333MHZ but it still doesn't solve the problem.

I retried to trigger by running windows experience assessment, and it always reboot when it assessing either

"CPU Performace" or "Windows Media Decoding *something*"

The screen went black and restart like power got cut off. Is it maybe because of my 500Watt power supply with 80% efficiency isn't strong enough with my pc specs?
!