3. Lift the keyboard cable o the top of the touchpad (3).
4. Peel the right and left antennas o the computer (4).
5. Remove the antenna cable from its routing above the touchpad (5).
Reverse this procedure to install the wireless antennas and cables.
Heat sink
To remove the heat sink, use this procedure and illustration.
Table 6-5 Heat sink description and part number
Description Spare part number
Heat sink M35260-001
Heat sink thermal pad kit M42820-001
Before removing the heat sink, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 28).
2. Remove the pen (see Pen on page 28).
3. Remove the bottom cover (see Bottom cover on page 30).
4. Disconnect the battery cable from the system board (see Battery on page 31).
Remove the heat sink:
1. In the order indicated on the heat sink, loosen the 12 captive Phillips screws (1) that secure the heat sink
to the computer.
36 Chapter 6 Removal and replacement procedures for authorized service provider parts
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