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Power remains on when PC "Shutdown"


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#1 wkdknight

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Posted 26 November 2016 - 06:35 PM

Hi,

 

I'm running Windows 7 Home Premium 64 bit.  I'm selecting the shutdown option from the start menu and the process happens as normal to a point.

 

After the "shutting down" screen, the monitors go black and then a few moments later state "no signal".  However, the base unit still has power.  Fans are still running and LEDs within the case lit.  This seems to only be stopped by then switching the main power switch at the back of the base unit.

 

When I go to use the PC again I have to switch the main power switch at the back of the base unit back on.  This results in the LEDs in the case immediately coming on and the fans starting at high speed.  Pushing the usual power up button on the case causes the fans to wind down to a more acceptable level and a singular beep occurs before the PC boots up as normal.  The PC appears to be functioning perfectly when in use, it is literally the annoyance of not being able to power down totally and walking away without fear the base unit will constantly be drawing power and running the fans all the time it is not being used etc.

 

Any help is graciously received.



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#2 JohnC_21

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Posted 26 November 2016 - 06:52 PM

Open a command prompt and to shutdown the computer type the following.

shutdown /f /s

This forces any running applications to close and shutdown the computer. Does the computer shutdown using the command?



#3 wkdknight

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Posted 26 November 2016 - 06:57 PM

JohnC_21

 

Tried the command you suggested.  It shutdown but the problem remains : On/Off power button LED still lit and fans still running.



#4 JohnC_21

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Posted 26 November 2016 - 07:12 PM

In BIOS settings look for a setting called ACPI and disable it. 

 

A hotfix is available from Microsoft. I would run the hotfix after trying everything else on the page outside of replacing the PSU.

 

https://www.wintips.org/windows-7-not-shutdown-completely-problem-solved/



#5 wkdknight

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Posted 26 November 2016 - 07:52 PM

In BIOS settings look for a setting called ACPI and disable it. 

 

A hotfix is available from Microsoft. I would run the hotfix after trying everything else on the page outside of replacing the PSU.

 

https://www.wintips.org/windows-7-not-shutdown-completely-problem-solved/

 

Can't seem to find ACPI in my bios but I know my motherboard has ACPI 2.0a (after a google search of ASUS Sabertooth X79).  I'll try the hotfix and other options and see what happens.

 

EDIT : Downloaded the hotfix and tried to run it but was told it was not applicable for my system.  Thinking the only non-hardware replacing option I have is a clean install of windows 7 which i'll try in the next few days unless someone suggests something else prior to that.

 

Thanks for taking the time JohnC_21.


Edited by wkdknight, 27 November 2016 - 12:41 PM.





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