6–28 361288-003 Service Reference Guide, dc7100
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis
6.14 Front I/O Device
1. Prepare the computer for disassembly (Section 6.1).
2. Remove the computer access panel (Section 6.5).
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 two screws that secure the front I/O device to the mounting bracket 1.
5. Remove the two screws that secure the mounting bracket to the chassis 2.
6. Lift the mounting bracket off the chassis 3.
7. Carefully pull the cables from the front of the chassis making sure that they do not snag on
the lower drive cage.
To reinstall the I/O device:
1. Thread the cables through the opening and down the space in front of the lower drive cage.
This step may be easier if you thread a single cable at a time through the opening.
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CAUTION: Be careful when threading the cables in the chassis so the cable ends are not damaged.
2. Position the I/O device and the mounting bracket on the front of the chassis and install the
two screws that secure the bracket to the chassis.
3. Install the two screws that secure the I/O device to the mounting bracket.
Complete the reassembly by reinstalling the other parts that had been removed.
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