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Curious crash when gaming starts


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#1 jetgraphics

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Posted 14 July 2014 - 08:56 PM

Situation: Not new computer with old GPU suddenly stops running when games are started or video benchmark engaged. 

Assumed it was the GPU at fault.

Installed new GPU - same bug - system shuts down when the GPU is under load.

No indication of a spike in power consumption (via power meter)

180 Watt draw on a 700 Watt supply

No indication of excessive temperature or cooling failure

 

{GPU cards were tested in another system and were found to be functional.}

 

Remaining Suspects:

Mainboard (voltage regulators?)

BIOS

...

 

 



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#2 1PW

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Posted 15 July 2014 - 04:30 AM

Hello jetgraphics:

 

Do you see anything in your Windows Event Logs that coincide with the failures?


All viruses are malware but not all malware are viruses and if the malware doesn't self replicate it just isn't a virus.


#3 jetgraphics

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Posted 15 July 2014 - 04:58 AM

No.

sigh.



#4 hamluis

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Posted 15 July 2014 - 10:19 AM

Please download MiniToolBox  , save it to your desktop and run it.
 
Checkmark the following checkboxes:
  List last 10 Event Viewer log
  List Installed Programs
  List Users, Partitions and Memory size.
 
Click Go and paste the content into your next post.
 
Also...please Publish a Snapshot using Speccy - http://www.bleepingcomputer.com/forums/topic323892.html/page__p__1797792#entry1797792 , taking care to post the link of the snapshot in your next post.
 
Louis



#5 jetgraphics

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Posted 15 July 2014 - 04:14 PM

Thank you for all the replies.

We debugged it.

Though the shutdown occurred when graphics intensity rose, the bug was not in the GPU, nor the MB, but in the power supply.

 

This was not easy to diagnose, as one can see.



#6 hamluis

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Posted 16 July 2014 - 11:39 AM

Nice work, thanks for letting us know :).

 

Happy computing :).

 

Louis






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