7–24 319865-008 Service Reference Guide, d300, dx6050
Removal and Replacement Procedures— Slim Tower (ST) Chassis
7.11 Front I/O D evices
1. If you have locked the Smart Cover Lock, use Computer Setup to unlock the lock
(Section 7.2, “Unlocking the Smart Cover Lock”).
2. Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”).
3. Disconnect the two I/O device cables from the system board: the front USB cable pair and
the front audio cable.
4. Remove the power supply from the chassis (Section 7.19, “Power Supply”).
5. From the inside of the chassis, remove the two screws that secure the I/O device to the
chassis 1, then pull the device into the chassis 2 to free it from its mount.
To install the housing assembly, reverse the removal procedures.