Dell Latitude E5420 - Removing the Audio Board

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Dell Latitude 5420/E5420/E5420m Owner's Manual
Removing the Audio Board
1. Follow the procedures in Before Working On Your Computer.
2. Remove the
battery.
3. Remove the
back panel.
4. Remove the
keyboard trim.
5. Remove the
keyboard.
6. Remove the
optical drive.
7. Remove the
CPU door.
8. Remove the
palm rest.
9. Remove the
Bluetooth card.
10. Disconnect the audio board cables from the system board.