A SERVICE OF

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TouchPad LED board
NOTE: The security cable lock is included with the base enclosure, spare part number 637187-001.
TouchPad LED board 647622-001
Before removing the TouchPad LED board, remove the following components:
1. Battery (see
Battery on page 43)
2. Service access cover (see
Service access cover on page 44)
3. Hard drive (see
Hard drive on page 45)
4. Optical drive (see
Optical drive on page 47)
5. Keyboard (see
Keyboard on page 52)
6. Top cover (see
Top cover on page 55)
Remove the TouchPad LED board:
1. Position the computer right-side up.
2. Release the zero insertion force (ZIF) connector (1), and disconnect the LED ZIF cable (2) from
the system board.
3. Remove the LED board (3).
Reverse this procedure to install the TouchPad LED board.
60 Chapter 4 Removal and replacement procedures