Computer restarts while idle?

[tomtendo]

My gaming PC I build randomly restarts when it's "idle" (When I haven't touched it in a while, but screen still is lit).

I turned off automatic restart after update for Windows 10, but it still does it...

 

[tomtendo]

Also, the computer will wake up from sleep RIGHT after I put it to sleep sometimes... or it'll wake up randomly while it is asleep.

 

[geofelt]

Windows 10 is in control. It will do what it wants to, whenever it wants.
One reason I went back to 7.

 

[tomtendo]

Windows 10 is in control. It will do what it wants to, whenever it wants.
One reason I went back to 7.

How do you know it's Windows 10 tho... and not something with my MOBO or whatever. Is their a way I can check errors?