Z77-D3H & 660Ti | No Audio No 2nd Monitor

Evening all. Brief recap. My current machine is about 4-5 years old, rocking 10.8.2 very stable. I didn't build it myself at the time, but its served me well. Work software I use is discontinuing support for 10.8, putting me in a position to update or switch back to PC. I opted to buy a new SSD to do a clean install to 10.11. Install itself went alright, and currently in 10.11.6 typing this and have two immediate issues.

Issue 1) No Audio. I have a Gigabyte Z77-D3H mobo. All signs...

Z77-D3H & 660Ti | No Audio No 2nd Monitor