I've got a Gigabyte 780G mobo and just about every single time I start it up Windows 7 only picks the SPDIF output up, which I don't use 
Yet as soon as I reboot the HDMI output is found no problems....
I've installed the latest drivers from Gigabyte's website and not the ones that W7 picks up automatically.
Anybody got any idea?

Yet as soon as I reboot the HDMI output is found no problems....
I've installed the latest drivers from Gigabyte's website and not the ones that W7 picks up automatically.
Anybody got any idea?