Reverse this procedure to install the heat sink.
TouchPad button board
Description Spare part number
TouchPad button board (includes TouchPad cable, TouchPad button board cable, and double-sided
adhesive)
802468-001
Before removing the TouchPad button board, follow these steps:
1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see
Battery on page 23).
5. Remove the memory cover (see
Memory cover on page 24).
6. Remove the bottom cover (see
Base enclosure on page 26).
Remove the TouchPad button board:
1. Turn the top cover upside down with the front toward you.
2. Disconnect the TouchPad board cable from the TouchPad (1).
3. Remove the Phillips PM2.0×4.5 screw (2) that secures the TouchPad button board to the computer.
36 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
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