I actually experienced the exact same issue with my Windows 8 install on an ASRock CoreHT 252B Mini PC, which acts as my HTPC. Probably the same or similar as you, I'm outputting both video and audio ...
Drivers Graphics Cards Intel HD Graphics 2000/3000 Driver 15.28.24.64.4229 Intel graphics driver for 2nd Generation Core processors with HD Graphics 2000 and 3000.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results