Service Reference Guide, dc7700 433612-001 8–9
Removal and Replacement Procedures - Ultra-Slim Desktop (USDT) Chassis
8.7 Chassis Fan
1. Prepare the computer for disassembly (Section 8.1).
2. Remove the computer access panel (Section 8.3).
3. Remove the optical drive (Section 8.4).
4. Disconnect the fan and speaker cables from the system board.
5. Remove the front panel assembly (Section 8.5).
6. Remove the four screws that secure the chassis fan to the housing 1.
7. Remove the fan 2.
To install the fan assembly, reverse the removal procedures, making sure that the fan cable is
located near the top of the assembly nearest the center of the front panel assembly.
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