**System Information**
OSX. Ver: 10.9.3 (13D65) (i haven´t try this on any other OS nor Diferent PC)
Prossesor: 2.7 GHz Intel core i5
Mem: 8 GB 1600 MHz DDR3
Graphic:
NVIDIA GeoForce GT 640M 512 MB
Blender Version
Broken: Ver: 2.7.1 Release candidate; & Ver: 2.70
Worked: N/A
When i go the system tab in the "user Preferences menu" i can see the: Compute Device dialog box, and as ussual it is by default set to CPU, yet i can´t change the seting to use the graphic card, (its not listed)