[header] How to conceal wiring behind drywall [title] Start by mounting your television and television mount to the wall. [step] After doing so you will be able to remove the television and leave the mount on the wall. This will allow you to select a good spot to make a hole in the wall. 
[title] Cut two holes in the drywall, one near the television and one near the a/v receiver or other audio video equipment. [step] Make sure to use a stud finder to determine the position of the hole will be between two studs (with at least 1 " of clearance on each side of the hole).