Maintenance and Service Guide

Fan
Table 6-12 Fan descriptions and part numbers
Description Spare part number
Fan for use in models with discrete graphics L20473-001
Fan for use in models with UMA graphics L20474-001
Before removing the fan, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 33).
2. Remove the optical drive (see Optical drive on page 34).
3. Remove the bottom cover (see Bottom cover on page 38).
4. Remove the battery (see Battery on page 41).
Remove the fan:
1. Disconnect the fan cable from the system board (1).
2. Remove the Phillips M2.5 × 6.0 screw (2) that secures the fan to the computer.
3. Lift the fan from the computer (3).
Reverse this procedure to install the fan.
56 Chapter 6 Removal and replacement procedures for authorized service provider parts