Maintenance and Service Guide

Heat sink
Table 5-12 Heat sink description and part number
Description Spare part number
Heat sink for use in models with UMA graphics L51347-001
Heat sink for use in models with discrete graphics L51348-001
Miscellaneous kit (includes heat sink Mylar, heat sink gasket, and WLAN module gasket, WLAN Mylar,
ngerprint reader tape, and memory cover and heat sink conductive tape)
L51353-001
Before removing the heat sink, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 29).
2. Remove the bottom cover (see Bottom cover on page 30).
3. Remove the battery (see Battery on page 32).
Remove the heat sink from models with discrete graphics:
1. Remove the six Phillips M2.0 × 4.0 screws (1) that secure the heat sink to the system board.
2. Remove the heat sink (2).
50 Chapter 5 Removal and replacement procedures for authorized service provider parts