A SERVICE OF

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WWAN module (see
WWAN module on page 67)
Processor (see
Processor on page 73)
PC Card/audio board assembly (see
PC Card/audio board assembly on page 89)
Modem module (see
Modem module on page 90)
SIM slot board (see
SIM slot board on page 92)
Remove the system board:
1. Press the PC Card eject button (1) twice. The first press releases the PC Card eject button from
the PC Card slot. The second press releases the PC Card slot bezel from the PC Card slot. (The
PC Card slot bezel is partially ejected from the PC Card slot.)
2. Remove the PC Card slot bezel (2) from the PC Card slot.
NOTE: The PC Card slot bezel is included in the Plastics Kit, spare part number 443905-001.
3. Disconnect the Media Card Reader/USB connector board cable (3) from the system board.
4. Remove the three Phillips PM2.5×5.0 screws (1) that secure the system board to the top cover.
NOTE: If the computer is equipped with a WWAN module, an additional Phillips PM2.5×5.0
screw (2) must be removed.
Component replacement procedures 87