PC wont stay shutdown?

DHR

DHR

DHR

Soldato
Joined
30 Apr 2003
Posts
3,469
I've got an old intel 4 series build I use for a few bits.

CMOS battery died so replaced that this afternoon, ever since however when shutting down the machine, 10-15 seconds later, it powers itself back up?

Fast boot is off too?
 
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DHR said:
I've got an old intel 4 series build I use for a few bits.

CMOS battery died so replaced that this afternoon, ever since however when shutting down the machine, 10-15 seconds later, it powers itself back up?

Fast boot is off too?
Click to expand...

What about wake from LAN, Wake from PCI etc, have you checked those settings ? with the battery dying the bios would have set itself to defaults.
 
Try removing all plugged in devices like mice keyboard etc and see if it still does it. As per above it's probably a bios setting since it would have been reset when you swapped the cmos
 
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DHR said:
I've got an old intel 4 series build I use for a few bits.

CMOS battery died so replaced that this afternoon, ever since however when shutting down the machine, 10-15 seconds later, it powers itself back up?

Fast boot is off too?
Click to expand...

Friend of mine went AWOL from gaming recently where he would typically say if he would be gone for an extended time

When i got in touch with him he had a somewhat similar situation to yours though his would also turn off intermittently.

Went to visit him to see if i could figure it out and in his case it was caused by the power switch front panel connection coming loose. It was managing to close and open the circuit with bangs and bumps near the system turning it off and on.
 
Checked bios settings, cleared just incase, all suspect settings I can see are clear. Will definitely check the power button later, cheers all
 
Left the power cord out of it over night, whacked it back in, nothing stayed shut down.

Soon as it's booted into windows the once, it's just refusing to stay shut down.

Just scouring event logs now.

Edit - Stripped out WiFi card, no improvement, full AV scan, nothing, checked windows power settings, no improvement, noticed that windows update pulled a few intel bits down yesterday I wouldn't have expected so I'm rolling back to a restore point now. The OS is pretty clean and empty though, it's been rebuilt last week.
 
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Finally think I've cracked it hours later, tried lord knows how many things.

Swapped the SSD out for another and put vanilla windows on there, same thing, with nothing installed.

As a last ditch attempt I did a CMOS reset on the board, and replaced the battery again with a Panasonic battery not the cheap one I had kicking around from Amazon.

Low and behold, it now appears to be sorted. I'm not changing reintroducing the other battery but I have a sneaking suspicion it's a quality thing, can't see how it would retain settings but still somehow trigger some form of misbehaviour, but sorted nonetheless!
 
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Dravic said:
Had a similar issue to this a long time ago, iirc if you check the event log it should tell you what caused the pc to wake.
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Yeah that's always my go to, amazingly there was nothing there, has been flawless since so it's definitely been related to the bios clear / second battery
 
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