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10. From the inside of the chassis, slide the fan out from underneath the chassis lip, and then
remove the fan.
Figure 9-38 Removing the rear fan
To install the rear fan, reverse the removal procedure.
Antennas
Description Spare part number
Antenna Hardware Kit 646811-001
Two antennas are secured to chassis – one on the front, one on the back. You must remove all other
components to remove the antennas.
1. Prepare the computer for disassembly (
Preparation for Disassembly on page 207).
2. Remove the computer access panel (
Access Panel on page 208).
3. Remove the optical drive (
Removing the Optical Drive on page 219).
4. Remove the front fan (
Front Fan on page 218).
5. Remove the hard drive (
Hard Drive on page 222).
6. Remove the optical drive rail (
Optical Drive Rail on page 227).
7. Remove the heat sink (
Heat sink on page 231).
8. Remove the system board (
System Board on page 241).
9. Remove the rear fan (
Rear Fan on page 243).
244 Chapter 9 Removal and Replacement Procedures Ultra-Slim Desktop (USDT) Chassis