A SERVICE OF

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d.
Optical drive (see
Optical drive on page 51)
e. Hard drive (see
Hard drive on page 52)
f.
Fan (see
Fan on page 54)
g. WWAN module (see
WWAN module on page 55)
h. Modem module (see
Modem module on page 62)
i. Keyboard (see
Keyboard on page 63)
j. Base enclosure (see
Base enclosure on page 68)
k. System board (see
System board on page 73)
l. Top cover (see
Top cover on page 81)
Remove the function button board:
1. Position the top cover with the top edge toward you.
2.
Press down on the bottom edge (1) of the retention bracket, and then slide the top edge of the
bracket (2) out of the top cover.
NOTE: The retention bracket is included in the Bracket Kit, spare part number 651381-001.
3. Remove the Phillips PM2.0×3.6 screw (3) that secures the function button board to the top cover.
4. Remove the function button board (4) and cable.
Reverse this procedure to install the function button board.
84 Chapter 4 Removal and replacement procedures