sometime my screens goes black on idle and my system freezes.
I can only reset the PC and it happend since ive updated to 13.11 Beta 9.5.
I've used 13.9 before but i got BSOD with reference to an ati driver file.
MSI HD 7790 OC 1GB
2x4GB DDR3 GeIL DragonRam 1333
SATA HDD 500GB
630W Thermaltake Berlin