Originally Posted by ThE_MaD_ShOt
In your client under advance/perferences uncheck the box for use gpu while computer is in use. Then you can set a time for when it will start after idle.
that's only for GPU or CPU too?
i5 2500k @ 4.7ghz | 4 threads @ 100% | HD7950 GPU
Xeon E3-3120 @ 3.1ghz | 4 threads @ 70%
Dell M6500 (i7 820QM) @ 1.8ghz | 8 threads @ 30%
Sempron 2600+ @ 1.8ghz | 1 thread @ 70%
X4 635 @ 2.9 | 4 threads @ 30%