Question Having gpu drop to 0% when playing steam games

[KronosSchyte]

specs: http://prntscr.com/r6ng9n
Gpu-z log: http://prntscr.com/r6ngj9
the game freezes for 3-5 seconds when that happens :/ , for some random reason that issue was solved but now it's back.

 

[KronosSchyte]

GPU Software: http://prntscr.com/r6niab / http://prntscr.com/r6niej

 

[rgd1101]

make and model of the psu?

 

[KronosSchyte]

thermaltake smart 500w

 

[KronosSchyte]

when playing league of legends my pc don't have any issues