Installing the speaker module1 Insert the speaker module into the slot on the chassis.2 Tighten the screws to secure the speaker to the chassis.3 Secure the speaker cables through the retention clips.4 Connect the speaker cable to the connector on the system board.5 Install the:a system board shieldb speaker coverc back coverd cable covere stand6 Follow the procedure in After working inside your computer.Power supply unitRemoving the Power Supply Unit (PSU)1 Follow the procedure in Before working inside your computer.2 Remove the:a standb back coverc cable coverd speaker covere system board shield3 To release the PSU cable:24 Removing and installing components