No i dnt use any graphics tweak programs but ive discoverd the problem for some reason since my phyxs was set to auto instead of the GTX 285 it doesnt work ive set it to the 285 and now the sleep mode works :\
TBH i would NEVER have thought it to be connected to the phyxs :\
So... its fixed now, how very weird this computer world is.
HOWEVER, the memory controller load is now stuck on 100% is my card going dodgy?
My game just crashed and i think this is becasue of the memory controller load, it happens alot and when i check its always at 100% it never used to go anywhere near 100%, ive read somewhere else someone has had the same problem but there was no fix, i guess ill make a new thread for this.