First time I've ever had a BSOD . Screen shows RTKVHD64.sys. So I went to safe mode. Uninstalled Realtek sound driver
. Deleted RTKVHD64.sys. Rebooted and let Win 7 reinstall the sound driver.
Now that I looked at the device manager. I noticed the following. (see picture)
I uninstalled the Realtek driver and install the driver from gigabytes site for my board. Seems ok.