g.
WWAN module (see
WWAN module on page 61
)
h.
Modem module (see
Modem module on page 68
)
i.
Keyboard (see
Keyboard on page 69
)
j.
Base enclosure (see
Base enclosure on page 74
)
k.
System board (see
System board on page 79
)
Remove the heat sink:
1.
Following the 1, 2, 3, 4 sequence stamped into the heat sink, loosen the four captive Philllips
screws
(1)
that secure the heat sink to the system board.
82
Chapter 4 Removal and replacement procedures