Hi. I install driver package of 8.930.0 Nov22 but the driver not stable (black screen , delay alt+tab , etc.) I uninstall it and install new driver 11.11 whql (include amd app 2.5.793.1) but OpenCL support only CPU no GPU support in gpu cap viewer has 1 device OpenCL (CPU) version 851.1 in gpu-z not check OpenCL. I use any tool to uninstall driver and amd app sdk (7Maanger , CCleaner , Windows Install Clean Up , Driver Sweeper) and install driver again but not help me , it's always have version 851.1 and support only CPU OpenCL anyone can help me .. and sorry for my bad english. Thanks.