hello all, i bought new ati hd 7850 xfx card. and my processor is amd fx 8120. i want working with 3ds max with vray2.2. when i\'m hit the open CL render problems comes. only in gpu render problem. other wise every thing is ok. but i want to render gpu. when i was checking select the open CL device in vray app shows two open CL device. i have enough ram 16 gb and os windows 7 64bit and psu 650w cooler master. please help me make a gpu render. i tried all old and new catalyst drivers. many times i remove the using dirver sweeper and try old& updated driver used. in vray RT engine reply cl_nv_compiler_options not found.