Xbox will randomly turn off, have trouble normally going into stanby

Alright, the plot thickens. I turned the xbox off after trouble shooting for a while, and made this post. A solid hour after turning the xbox off, it randomly turned on and began updating. I was nowhere near the xbox, it did this without prompting. So I have no idea what happened.

Any ideas? thanks for anything

And in Lord dirts definition if its powered but off it can in all cases be turned on remotely which is not true. I never said a device was not receiving Power but If you turn it off in the non Stanby method than it cannot be activated remotely just like
K2. You can turn the mic off the camera off and also the prompt for "kinect on" can be turned off. this means that if I was to turn my Xbox on these features would be off. Until I

1. Start a Skype call and it says would you like to turn your camera on " yes"

2. I go straight to the settings and turn on voice commands or chat mic or both.

No its off. Stanby or not. Dont unplug it. Wear and tear on the pins aswell

It just turns off randomly and it's not hot either and I don't have any trouble out of any other games. I get no error messages at all.

E' sempre connesso, solo che quando spengo l'xbox e poi la riaccendo non lo rileva automaticamente, devo togliere il cavo dala presa USB e rimetterla. Non è che c'é qualche impostazione da settare per quanto riguarda le porte USB della console?

In realt quando la spengo va in stanby non è spenta completamente.

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[Mod Translation - It 'always connected, only when I turn off the xbox and then the on again does not detect it automatically, I have to remove the cable from the USB socket and put it back.
Is not there any setting to be set regarding the USB ports of the console?

Actually when I turn it off in stanby it's not turned off completely.]