We use the Intel sharkbay platform to do our motherboard design,
The PCH is Q87, CPU is Haswell DT CPU,
There isn't have local panel, Our primary display output is through DVI interface.
The system OS is Windows 7 SP1
We uses Intel generic graphics driver 10.18.10.3325 and VBIOS/GOP.
Now, We encounter the trouble when connect the HDMI is secondly display output.