Solved computer shutting off without notice. Help!!

November 3, 2014 at 21:56:20
Specs: windows 7
My computer is all of a sudden shutting down on its own...usually stays on for maybe 30 minutes. Gaming or not. It also doesn't let me turn it back on from using the power button unless I flip of and back on my PSU!

Anyone have a similar issue I unfortunately work a lot so can't do a lot atm.... my fans all seem to be working and I get no error message or motherboard light. Do you think it's my power supply??? I leave my computer on almost 24/7 but my power supply is only maybe a year and a half old.


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✔ Best Answer
November 5, 2014 at 16:28:15
Those temperatures look fine. From #12 it looks like PSU problems.

Always pop back and let us know the outcome - thanks



#1
November 3, 2014 at 22:33:20
Is it suddenly "lights out" or does the normal windows shutdown procedure starts by itself?

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#2
November 3, 2014 at 22:50:44
No it is lights out boom off, I don't hear my fans going super loud or stopping...motherboard light is on. Weird thing is I can't turn my computer back on with the power button unless I flip off the power supply and then turn it back on.

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#3
November 4, 2014 at 08:42:46
Please give make and model number of computer - PC or laptop?

Overheating is a possibility.

Always pop back and let us know the outcome - thanks


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Related Solutions

#4
November 4, 2014 at 08:52:54
Anyone?? Should I waste my time swapping out my psu with another one I have?

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#5
November 4, 2014 at 08:55:06
It's a pc that I built its been running for 4 years. I can't turn it back on to give you specs... asus m5a97evo motherboard....nothing special .

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#6
November 4, 2014 at 09:49:15
Disconnect from domestic power then hold the power button in for about 30 seconds to see if that unsticks it.

Otherwise I would be inclined to check all internal connections for tightness first (remove and re-insert connectors). You could also clean all edge connectors with a pencil eraser then re-insert cards a few times to clear any oxide off sockets. Include RAM as part of this.

If you manage to get it to run then download the free version of Belarc Advisor, which gives temperatures as well as a lot of other information:
http://www.belarc.com/free_download...

EDIT:
As you have a spare PSU, if none of the above helps then if you swap it over it will prove/disprove if that is the culprit. It's not easy to be certain from afar.

Always pop back and let us know the outcome - thanks

message edited by Derek


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#7
November 4, 2014 at 12:06:09
What do you mean disconnect from domestic power ?? If I hold down button while it's unplugged how's that going to do anything??

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#8
November 4, 2014 at 12:29:12
I mean remove the power supply that it is plugged into. In the UK we use the term "mains supply" but this does not appear to mean much in the USA so I've taken to calling it domestic power supply. For a laptop you remove the main battery too.

This action of then pressing the power off/on button discharges the motherboard and PSU capacitors - it has been known at odd times to unstick things. You often see a brief flash from the power LED on the computer when you do this. The crazy slang name is "flea power" if you check in Google. Here's one of many hits:
https://www.facebook.com/permalink....

I was sceptical at first but it has definitely got me and others out of trouble "at times". I'm none too hopeful in this instance but as it is so easy to try it is worth a shot.

Always pop back and let us know the outcome - thanks

message edited by Derek


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#9
November 4, 2014 at 18:27:01
Yes, if nothing obvious does it and heat/clogged heat sinks is not the issue, then swap out the power supply because it could be the problem.

You have to be a little bit crazy to keep you from going insane.


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#10
November 5, 2014 at 08:35:34
What should I look for in temp range for my processor and video card and such I'm going to download that program linked above and watch the temps till it turns off again. If they stay normal range then I'll do the power supply swap.

My video card is an amd Radeon and my processor is also AMD not Intel.

message edited by wyattfamily


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#11
November 5, 2014 at 08:36:39
Post the temperature part of the Belarc and we'll take a peek.

Always pop back and let us know the outcome - thanks


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#12
November 5, 2014 at 12:37:06
Now even when I turn off the PSU and turn it back on...the motherboard light is on but when I try to push the desktop power button it lights up blue very dimly for maybe a half a second and doesn't turn on....would you all lean to just doing the PSU swap when I get home in a couple hours?

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#13
November 5, 2014 at 13:49:58
Bump?? Just catching your thoughts before I get home.

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#14
November 5, 2014 at 16:16:17
I installed BELRAC and installed it and cant see where it posts temperatures.
I have downloaded a program called SPECCY which tracks my temps. Here is what those say after my computer has been on for 30 minutes. I did install the other PSU and obviously it has turned back on my computer.

CPU: (AMD Phenom II X6 1100T): 29C
Motherboard; (ASUSTek M5A97 EVO): 28C
Graphics: (ATI AMD Radeon HD 7800 ASUSTek): 30C

I haven't seen any jumps or spikes in the temperatures been watching it for 5-10 minutes. most stay around 27-31C. I'm not gaming or anything so are these correct/good to go?


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#15
November 5, 2014 at 16:28:15
✔ Best Answer
Those temperatures look fine. From #12 it looks like PSU problems.

Always pop back and let us know the outcome - thanks


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#16
November 5, 2014 at 19:53:47
Thank you everyone for the input! Been gaming and such for a few hours! The problem turned out to be my power supply. So glad I had a 575W sitting in a parts computer to get mine back running!! That's 2 Thermaltake power supplies gone bad in 5 years...No longer going to buy Thetmaltake brand PSU's.

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#17
November 6, 2014 at 07:25:56
Glad to hear you sorted it and thanks for letting us know. You can never be quite certain if these things are the "usual suspect" but this time it obviously was.

Always pop back and let us know the outcome - thanks


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