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PC shutting down by itself

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3 replies to this topic

#1 Bruno5r


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Posted 21 September 2015 - 02:11 AM

Hello guys!

My computer started to do something really annoying:

It shuts down by itself after a short period of time and don't turn on again unless I pull of the power cable for some minutes and then reconnect it.

It shows no error message, there is no oddly smell or sound, it justs shuts off and don't turn on again using the power button.

Any tip on how to solve this problem? Thanx!

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#2 mackison


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Posted 21 September 2015 - 05:18 AM

Hi Bruno5r,


I am a computer builder / engineer and I have had this problem a few times over the years.


Have you tried replacing the PSU ?  That is the most obvious starting point. 


Cheap, and simple 10 minute diy job, only 4 screws hold the unit in place and all the cables will only connect / reconnect in the right holes so nothing to worry about, you could also take your "Old" unit to the shop with you and they should be able to test it for you.




If this doesnt solve your problem then it is most likely a heat issue which is better dealt with by a qualified technician.


I hope this helps,



#3 hamluis



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Posted 21 September 2015 - 02:46 PM

Some system info would be useful.


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.

#4 mjd420nova


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Posted 21 September 2015 - 05:43 PM

That particular failure is power supply related.  The voltage regulators fail in such a manner that they need to have ALL power removed to reset them.  It may also be heat related and the offending device could be tracked sown with a can of freeze spray, but beware, there is lethal voltages present inside the  power supply case,  Don't attempt unless you have a death wish.

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