Saul G Houston , TX August 07, 2016 The a c window unit don't turn on It was easy take 2 screws out with screw driver Take the old membrane out and connect the new one Replace the 2 screws back and replace the a.c. cover And you finish it's easy. Read More... Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes Tools: Screwdrivers