Same problem here, any solution?
Win 8.1 64
Radeon R9 270
Versione del pacchetto di driver 14.501.1003-141120a-178000C
Versione Catalyst 14.12 AMD Catalyst Omega Software
Fornitore Advanced Micro Devices, Inc.
Versione driver 2D 8.01.01.1443
Percorso file del driver 2D /REGISTRY/MACHINE/SYSTEM/ControlSet001/Control/Class/{4d36e968-e325-11ce-bfc1-08002be10318}/0000
Versione Direct3D 9.14.10.01080
Versione OpenGL 6.14.10.13283
Versione Mantle 9.1.10.0045
Mantle API Version 98304
Versione AMD Catalyst Control Center 2014.1120.2123.38423
Versione del driver audio AMD 9.0.0.9905