Yep. This is what I've done in the past for our machines. 1) Time Machine it 2) Clean install 3) Drop off computer to be fixed 4) Pick up computer 5) Restore f

Yep. This is what I've done in the past for our machines. 1) Time Machine it 2) Clean install 3) Drop off computer to be fixed 4) Pick up computer 5) Restore from Time Machine I've never had a problem.