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asus p8z68-v/gen3 randomly waking up

post #1 of 34
Thread Starter 
My computer is randomly waking up from an OFF state (not yet sure if it will also do it from sleep). As an example, my computer is turned off for around 7 days now and after I woke up I found it turned on.

With this cases, I usually check powercfg -lastwake which device tried waking it up but it says there are no wake events or something.

I can't turn off PCI wake in BIOS since I use magic packets sometimes to intentionally wake it up. How do I go about troubleshooting this?
post #2 of 34
Sounds like a BIOS issue to me, I don't have any experience with ASUS motherboards but you should mess around in there and see if you see any relevant settings. Maybe a setting like "what to do on power restore", which can be set to automatically turn the computer on once it gets power back after losing power completely.
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post #3 of 34
Thread Starter 
Quote:
Originally Posted by PapaSmurf6768 View Post

Sounds like a BIOS issue to me, I don't have any experience with ASUS motherboards but you should mess around in there and see if you see any relevant settings. Maybe a setting like "what to do on power restore", which can be set to automatically turn the computer on once it gets power back after losing power completely.

I already double checked and that option is set to "Always OFF". My computer is connected to a UPS so losing power is very unlikely.

The BIOS is already updated to the latest version though I'm not sure if the latest version is the one causing it. In the previous BIOS version, it did randomly wake up also but that's because of the "wake on pattern matches" option in the power management settings of the Intel Gigabit LAN Adapater. That setting is still disabled now.

Any more ideas?
post #4 of 34
Quote:
Originally Posted by kevindd992002 View Post

I already double checked and that option is set to "Always OFF". My computer is connected to a UPS so losing power is very unlikely.

The BIOS is already updated to the latest version though I'm not sure if the latest version is the one causing it. In the previous BIOS version, it did randomly wake up also but that's because of the "wake on pattern matches" option in the power management settings of the Intel Gigabit LAN Adapater. That setting is still disabled now.

Any more ideas?

Does this consistently happen? Might have just been a freak thing.
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post #5 of 34
Thread Starter 
Quote:
Originally Posted by PapaSmurf6768 View Post

Does this consistently happen? Might have just been a freak thing.

It happened two times already. The 1st one happened last month when it was turned off for around 5 days. The 2nd instance is today which I explained in the OP. So it is pretty random, I would say.
post #6 of 34
Thread Starter 
Any help here please?
post #7 of 34
Thread Starter 
No love? frown.gif
post #8 of 34
How about your case? I've seen faulty or shorted power buttons do weird things. Seems like something may be completing the circuit for the power button. Besides checking the button itself check the cables to the mobo as well. Does it ever turn off randomly too? Also is wake from LAN set to on in bios? If it is and it can do an S4 (I think) power state, you could possibly power on from LAN. My Shuttle SZ77R5 was able to. There could be other devices connected to your network sending "Magic Packets" to you computer to power it on from the LAN. Given its randomness its going to be hard to diagnose.
Edited by kolo7127 - 3/31/14 at 2:44pm
post #9 of 34
Thread Starter 
It's not the case, I already thought about that. It doesn't turn off randomly.

It is the LAN causing it and I'm sure of that. I turned off wake up from PCI and that seems to stop the issue but this is not a solution since I'm INTENTIONALLY using magic packets to turn on my computer from sleep/off state when I'm not at home to use Remote Desktop.

At first, I thought there would be powercfg -lastwake logs when I wake up the computer from the OFF state but after further testing it seems that powercfg only logs wake events done from a SLEEP state. I can't find any logs when I intentionally power on the computer from the off state.

So I'm not sure which device on my network is really sending magic packets but I only have a couple connected and I can pinpoint which of them is the culprit.

Any other ideas here?
post #10 of 34
Remove devices one by one until it stops... may even be the router itself, or someone externally found your security hole. I'm guessing you have your LAN broadcast address available publicly via port forwarding, UDP port 9, to accomplish the WOL from the internet?
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