Heat sink
Table 5-11 Heat sink descriptions and part numbers
Description Spare part number
Heat sink for use in fanless models with an Intel Pentium processor and with UMA graphics L51099-001
Heat sink for use in models with a fan with an Intel Core processor and with UMA graphics L51100-001
Heat sink for use in models with an Intel Core processor and with discrete graphics L51101-001
Miscellaneous kit (includes heat sink Mylar, heat sink conductive tape, heat sink gasket, and WLAN
module gasket)
L54102-001
Before removing the heat sink, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 30).
2. Remove the bottom cover (see Bottom cover and Rubber Foot Kit on page 31).
3. Remove the battery (see Battery on page 34).
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).
Component replacement procedures 49
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