1. Follow the procedures in Before Working Inside Your Computer.
Ensure that your work surface is flat and clean to prevent the computer cover from being scratched.
Turn off your computer.
CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device.
Disconnect all network cables from the computer.
Disconnect your computer and all attached devices from their electrical outlets.
Press and hold the power button while the computer is unplugged to ground the system board.
Remove the cover.
Remove the cover.
Remove the front bezel.
Remove the drive cage.
Installing The Speaker
Disconnect the speaker cable from the system board.
Unthread the speaker cable from the fan shelter clip.
Press the speaker securing tab, and slide the speaker towards the right of the computer to release it.
Remove the speaker from the chassis.
Installing The Speaker:
Place the speaker on the appropriate location of the chassis rear.
Press the speaker-securing tab and slide the speaker towards the left of the computer to secure it.
Thread the internal speaker cable into the fan shelter clip.
Connect the speaker cable to the system board.
Install the drive cage.
Install the front bezel.
Install the cover.
Follow the procedures in After Working Inside Your Computer:
Replace the cover.
CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into the computer.
Connect any telephone or network cables to your computer.
Connect your computer and all attached devices to their electrical outlets.
Turn on your computer.
Verify that the computer works correctly by running the Dell Diagnostics.
