I've been having this problem recently where after I turn off my comp it sometimes turns back on after about 5-10 minutes.
any ideas on what the problem is?
BIOS's have many features that allow remote/conditional ways to power on the computer, you should check if they are enabled and disable them (wake on LAN, wake on power reset).
When that happens enter
[quote]powercfg -lastwake[/quote]
and see if it gives any useful info
/snip my bad thought it woke up from hibernation
From sleep/hibernate or from complete shutdown?
Note that the power button might not be set to shutdown.
I had this issue and I solved it by going to the device manager and checking the properties of USB devices and disabling them from waking the PC.
[code]powercfg -devicequery wake_armed[/code]
This the quick way to check to see if any pieces of hardware has the ability to wake the computer from sleep
[code]powercfg -waketimers[/code]
Use this to see if there's a scheduled task set that can wake the computer from sleep
That'll cover almost anything, I reckon, and you should be able to narrow down what's causing the issue since you can easily reproduce it.
I once read a story about a guy having computer randomly turn and having no idea why it happens.
Turns out there was a cockroach inside his PC and was touching contacts for powering on the device.
I'm pretty sure this isn't the case here, but still check if the insides do not contact loosely or something.
It is probably a connection issue. Check your Power cable. Always switch off PC with complete shutdown. Many times it happens due to Inadequate power supply.
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