Xbox 360 works on its own?

My Xbox fell over me a few weeks ago and days later I hear strange noises until I noticed that it comes from my Xbox.

Where the games come in is always in and out although I do not do anything or just turn on.

And when I want to play or watch something, this thing always leaves and I'm brought back to the start page.

Malfunction! Open it and check all connections with luck it's just a loose connection.

That's one of the reasons why you do not put consoles general