PSU Problems maybe??

Trikki

Distinguished
Oct 28, 2009
23
0
18,510
I have a Corsair HX650W.Every now and then my computer goes to sleep mode (displays or whole system) Old system had this too,but rarely.And always when im gaming.Sleep modes are all disabled.And when i shut my computer off,it shuts down,but suddenly restarts.This PSU could be haswell comp. Corsair site says still validating.I have 2 monitors and a tv hooked.1dvi,1 hdmi and 1 mini dp.Gigabyte R9 280x.So anyone got any ideas about this?

Full Specs

Gigabyte GA-Z87-HD3 (Pile of...)
4670K
G.Skill Sniper 8Gb (1,25v)
Gigabyte R9 280x
Corsair HX650W (bought 2009)