HP EliteBook 820 G3 Notebook PC, HP EliteBook 828 G3 Notebook PC- Maintenance and Service Guide

4. Lift the smart card reader board left to remove it from the top cover (5).
Reverse this procedure to install the card reader board.
Speaker assembly
Description Spare part number
Speaker assembly (includes cable) 821684-001
Before removing the speaker assembly, follow these steps:
1. Turn o the computer. If you are unsure whether the computer is o or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the bottom cover (see Bottom cover on page 32).
5. Remove the battery (see Battery on page 35).
6. Remove the system board (see System board on page 49).
Remove the speaker assembly:
1. Remove the two Phillips PM2.5x3.0 screws that secure the speakers to the computer (1).
Component replacement procedures 59