I just tried that by Disabling it, but still the PC comes right back on.

Just tried disconnecting all cables of all devices including the monitor and it still comes right back on.

I may...

I've disabled Fast Startup, disabled all wake timers and I've unchecked everything that could possibly wake it up. I even pulled and disconnected all peripherals and ethernet cables to be sure and it...

Link not working. Can you summarize?

Mine is coming back on right after putting it to Sleep, Hibernate or Shutting Down, so not sure this is the same problem that you solved with Turning Off...

I've tried everything here and then some and my PC still comes back on in 5 seconds after Sleep, Hibernate or ShutDown. The only way I can keep it off is to hold the Power Button down until it shuts...