Unexpected shutdown and reboot

[madmax2]

Hi

I am having a strange issue and hard to diagnose the cause.

I would use the pc and sometimes it would randomly shutdown unexpectedly
then the pc would turn back on.


This issue happens randomly and not often but randomly it would occur.

It can happen during gaming, or while using windows.

I got
i5 2500k
16gb of ram..

etc..

Windows error shows it as event id 6008

 

[karlsnooks]

Madmax,
You need to help us to help you by fully and completely filling out your system specs.
Update your SevenForums System Specs
User CP (located on the top menu bar) |
Your Profile | Edit System Spec (left-hand column)

To gather info, use Speccy (my favorite) or SIW or System Info

ADD the word laptop or desktop or netbook to the
“system manufacturer” block, for example,
Toshiba Satellite L305D notebook.

Provide full windows version info, for example:
MS Windows 7 Ultimate SP1 64-bit

Use the “Other Info” block for Optical Reader,
Mouse, touchpad, wifi adapter, speakers, monitor, etc

Scroll down and click on SAVE CHANGES.
====================================================

I'll await your reply indicating that the specs are updated.
thanks for your help,
karl

 

[madmax2]

Madmax,
You need to help us to help you by fully and completely filling out your system specs.
Update your SevenForums System Specs
User CP (located on the top menu bar) |
Your Profile | Edit System Spec (left-hand column)

To gather info, use Speccy (my favorite) or SIW or System Info

ADD the word laptop or desktop or netbook to the
“system manufacturer” block, for example,
Toshiba Satellite L305D notebook.

Provide full windows version info, for example:
MS Windows 7 Ultimate SP1 64-bit

Use the “Other Info” block for Optical Reader,
Mouse, touchpad, wifi adapter, speakers, monitor, etc

Scroll down and click on SAVE CHANGES.
====================================================

I'll await your reply indicating that the specs are updated.
thanks for your help,
karl

I am quite experience in IT, I was just asking for some general guidelines for why a pc would randomly shutdown then power on again..

is it more to do with psu, cpu overheating??

my computer is desktop pc

my spec

i5 2500k
asus z68 v pro
16gb ddr3 ram
ati 6950
Corsair HX650w

win 7 64 bit ultimate

 

[karlsnooks]

I wish you success.

 

[Golden]

Hi,

There could be several reasons. I recommend following this tutorial so we know what your system specifications are:

http://www.sevenforums.com/tutorials/180324-system-info-see-your-system-specs.html

Then, from an elevated command prompt run sfc /scannow and post back the results.

Regards,
Golden

 

[madmax2]

Okay I updated my profile...

Hope you guys/gals can help solve this one..

------------

C:\Windows\system32>sfc /scannow

Beginning system scan. This process will take some time.

Beginning verification phase of system scan.
Verification 100% complete.

Windows Resource Protection found corrupt files and successfully repaired
them. Details are included in the CBS.Log windir\Logs\CBS\CBS.log. For
example C:\Windows\Logs\CBS\CBS.log

 

[Golden]

Hi,

OK, well sfc fixed something. Is you system still shutting down unexpectedly?

Regards,
Golden

 

[madmax2]

Hi,

OK, well sfc fixed something. Is you system still shutting down unexpectedly?

Regards,
Golden

too early to tell

 

[madmax2]

Hi,

OK, well sfc fixed something. Is you system still shutting down unexpectedly?

Regards,
Golden

Nope it is not working

The pc just powered off and then turn back on again just now...randomly
while I was using my pc for surfing the internet and watch/recording tv.

It's like turning the power switch off and then turning it back on again.

 

[madmax2]

I wish you success.

Do u have any idea what is the cause?

 

[writhziden]

First, check your BIOS settings for a setting to turn the system back on after a power failure.

It sounds to me like your PSU may be faulty, but we should rule out other causes. These types of problems are typically hardware related. Run some hardware checks.

• If you are overclocking any hardware, please stop.
  
  
• If you have an SSD, make sure the following are up to date:
  • SSD firmware
  • BIOS Version
  • Chipset Drivers
  • Hard disk controller drivers/SATA drivers
  • If you have a Marvell IDE ATA/ATAPI device, make sure the drivers are up to date from the Intel site or Marvell site and not from your motherboard/vendor support site.
  
  
• Run all but the advanced tests with SeaTools for HDDs.
  SeaTools for Windows
  
  SeaTools for DOS​
  
  
• Monitor temperatures during the following tests.
  
  Use the following programs to monitor the temperatures.​
  • Real Temp is a good CPU temperature monitor.
  • Speccy - System Information - Free Download will monitor all hardware temperatures.
  • HWiNFO, HWiNFO32 & HWiNFO64 - Hardware Information and Analysis Tools can be inaccurate for CPU temperatures, but is a good program for GPU temperature monitoring.
  • Use FurMark: VGA Stress Test, Graphics Card and GPU Stability Test, Burn-in Test, OpenGL Benchmark and GPU Temperature | oZone3D.Net to test the graphics card GPU. Let it run until the GPU temperatures even out or until the GPU temperatures reach a dangerous level (you can find the max temperature for your card on either the nVidia or AMD sites; if you are not sure, ask us). The goal is to get a steady temperature, find out if the GPU is overheating, or to see if there are any artifacts present in the test itself: look for strange pixelated patterns on the screen or colors that do not look like they belong. Then use the |MG| Video Memory Stress Test 1.7.116 Download to test your graphics card memory. Let the memory test run for at least seven passes; the more the better.
    
    
  • Run http://www.sevenforums.com/tutorials/100352-hardware-stress-test-prime95.html to determine any hardware problems. Run all three tests for a few hours each. If you get errors, stop the test and post back here.
    
    
  • Follow the steps for doing CPU stress test using IntelBurnTest
  
  
• Run the boot version of Memtest86+ paying close attention to Parts 2 and 3 of the tutorial. Also, in case Memtest86+ misses anything and comes up with no errors, run the extended version of the Windows Memory Diagnostics Tool for at least five passes. These you may want to run overnight since they take a long time to complete (run them an hour before bed each of the next two nights and check before going to sleep that they are still running).
  
  
     Warning

  Before you proceed with the following, answer these two questions: Are you still under warranty? Does your warranty allow you to open up the machine to check hardware? If you are unsure of the answers to these questions, contact your system manufacturer. :warn:WARNING: The steps that follow can void your warranty!!!
  
  
  For Part 3: If You Have Errors: If you swap any memory components, follow these steps for ESD safety:
  1. Shut down and turn off your computer.
  2. Unplug all power supplies to the computer (AC Power then battery for laptops, AC power for desktops)
  3. Hold down the power button for 30 seconds to close the circuit and ensure all power drains from components.
  4. Make sure you are grounded by using proper grounding techniques, i.e. work on an anti-static workbench, anti-static desk, or an anti-static pad. Hold something metallic while touching it to the anti-static surface, or use an anti-static wristband to attach to the anti-static material while working. If you do not have an anti-static workbench, desk, or pad, you can use your computer tower/case by finding a metal hold in it, such as a drive bay.
  Once these steps have been followed, it is safe to remove and replace components within your computer.