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PC suddenly goes to sleep mode, please help.


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#1 SuperAccount

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Posted 06 September 2014 - 09:30 PM

About an hour ago, I was just browsing the web and all the sudden my PC/Desktop went to sleep mode (the power button light was blinking).

I tried to wake it up - keys, mouse, power button - but that didn't wake it.

So I then try to shut it down by holding down the power button, nothing happened either

Finally, I had to pull the PC's power plug from the socket to turn it off, replug it, and then boot it.

So what's the problem? why did my PC suddenly go to sleep mode like that is it a power/voltage isue?

 

I'm using Win 7 64 bit


Edited by hamluis, 07 September 2014 - 09:42 AM.
Moved from Win 7 to Internal Hardware - Hamluis.


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#2 SuperAccount

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Posted 07 September 2014 - 07:00 PM

bump



#3 HackedBotato

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Posted 07 September 2014 - 08:40 PM

If it only happened once, it shouldn't be a big issue, maybe the cable just went wrong for a bit. If it still works like normal, it shouldn't be a big issue.



#4 Netghost56

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Posted 08 September 2014 - 11:11 AM

There's a lot of different possibilities.

 

I would start with swapping out the CMOS battery. A dead or dying battery causes all sorts of crazy issues.

 

Check your BIOS (which will revert to default settings if you change the CMOS battery) for Power Management settings. Check what is selected under Power On, After Power Off, Wake, etc settings.

 

Since it's a desktop, check the Windows Power settings from the Control Panel. I would recommend the "Always On" power scheme and turn off Sleep and Hibernate.

 

Finally, it's also possible that you just had a power surge. The PC will do a forced shutdown to prevent damage to the components in that situation.

 

And I almost forgot that it could have been a memory bug/memory leak. They tend to happen rarely and randomly.






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