4. Remove the battery (see Battery on page 41).
5. Remove the following components:
a. Bottom door (see
Bottom door on page 47).
b. Hard drive (see
Hard drive on page 52)
c. Optical drive (see
Optical drive on page 48)
d. WLAN module (see
WLAN module on page 59)
e. WWAN module (see
WWAN module on page 57)
f. Fan (see
Fan on page 65)
g. Heat sink (see
Heat sink on page 66)
h. Modem module (see
Modem module on page 63)
i. Keyboard (see
Keyboard on page 71)
j. Top cover (see
Bottom cover on page 73)
k. Function board (see
Function board on page 82)
l. System board (see
System board on page 83)
Remove the display assembly:
1. Position the computer right-side up with the front toward you.
2. Open the computer as far as possible.
3. Remove the four Phillips PM2.5×7.0 screws (1) and the Phillips PM2.5×4.5 screw that secures
the display to the computer.
90 Chapter 4 Removal and replacement procedures
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