HP EliteBook 820 G1, HP EliteBook 725 G2, & EliteBook 720 G1 Notebook PCs - Maintenance and Service Guide
3. Release the ZIF connector (2) to which the fingerprint reader board cable is attached, and then
disconnect the fingerprint reader board cable from the system board.
4. Disconnect the speaker cable (1) from the system board.
5. Remove the three Philllips PM2.0×3.0 screws (2) that secure the system board to the top cover.
6. Lift up on the right side of the system board (1) until it rests at an angle.
Component replacement procedures 113