CPU uses 50% at games/applications.

Have you checked your power settings? One can set the CPU limit (as percentage) as max & min, perhaps it's maxed 50% or so.

This is one more problem. For some reason it automatically changes to 'power saver' mode (wasn't doing this either till yesterday) I always switch it back to 'balanced' or 'high performance'.
 
So I got a new laptop. Till yesterday it was working fine with fps on games doing well and CPU at 2.90Ghz when playing games or rendering videos with Sony Vegas 12. Since today it uses 50% (1.15Ghz), slow on rendering and low at fps. (screenshot while rendering video http://gyazo.com/17197c3554bf9b062b294ea8f50f9e80 )
Also my power plan is switching automatically to 'power saver' after the start of laptop.

Any help? Thank you.
 


There is no option to turn it off. Searched the whole google and didn't found anything about turning it off.