R o b u s t P a n e l P C A P C - 9 1 7 2Chapter 2 Hardware Installation 2 - 42.3 HDD InstallationStep 1: Screw up the HDD onto HDD BracketStep 2: Fasten the 4 pieces of anti- vibration Rubbers on the HDDbracket.Step 3: Screw two brackets with four screws to fasten Anti-vibrationRubbers.