HP EliteDesk 700 MT G1 Maintenance And Service Manual page 52

7. Disconnect the four cables from the following system board connectors:
(2): Front USB (yellow)
(3): Front AUD (blue)
(4): Front USB3.0 (blue)
(5): PB/LED (black)
8. Remove the assembly from the inside of the computer.
To reinstall the assembly, reverse the removal procedure.
44 Chapter 4 Removal and replacement procedures – Microtower (MT) chassis