If I do a Powerdown, my system will shutdown.  However, in about 1 minute, it will power back on again.  I have disabled WOL, WOUSB, etc and still I can't figure out why my server will just power on by itself.  I want it to remain off when I do a powerdown.  In fact, I would never want my server to power on by itself.  I have the current bios and I have gone through every setting in the bios to no avail.

 

Anyone know how to fix this?

When's the last time you changed the CMOS battery?

 

... weird behavior often = failed battery

 

You may have an actual hardware failure; but first I'd change the battery (I believe it's a standard CR2032)

 

Do you have an "Auto ON" or "Always ON" setting in BIOS.  Its been a while since I used this motherboard, so I dont remember.

thanks guys.  I will check the battery and take another look in the bios.

look for a setting for State after power failure.

I suspect that the power defaults to "Always On", and that the CMOS battery is dead so it's not retaining the actual setting you'd like to have.

 

That would explain why it's turning on ... and simply replacing the battery; then changing the setting in the BIOS; will resolve this.    As I noted before, if that's NOT the problem, then you've got a hardware failure.

 

swapped the battery and the issue has gone away - thanks Mr garycase.  It was weird as the battery must have been low, but not dead.  The reason is that some settings in the bios remained, but not the power settings.  The board was 5 years old with the original battery, so it needed to be changed in any case.

 

Thanks!

Just a reminder, CR2032 batteries (the type most BIOS's use) are dirt cheap in quantity.

 

http://www.amazon.com/CR2032-Lithium-Batteries-card-Cards/dp/B0043SAFK0/ref=sr_1_9?ie=UTF8&qid=1383056058&sr=8-9&keywords=cr2032

You're welcome.    Did you just do this??  [it's been 8 weeks since I told you this was almost certainly the issue.]