Filter
Top Products
3. Disconnect the modem module cable (3) from the system board.
Reverse this procedure to install the modem module.
System board and system board frame
NOTE: All system board spare part kits include replacement thermal material. The Thermal Material Kit
is also available using spare part numbers 413706-001 (for use in all countries or regions except Japan
and Asia countries and regions) and 445853-001 (for use only in Japan and Asia Pacific countries and
regions).
Description Spare part number
For use with computer models equipped with WLAN and WWAN capability 452219-001
For use with computer models equipped with only WLAN capability 452218-001
System board frame 455428-001
Before removing the system board, follow these steps:
1.
Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2.
Disconnect all external devices connected to the computer.
3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4.
Remove the battery (see
Battery on page 46).
5.
Remove the following components:
a.
Hard drive (see
Hard drive on page 50)
b.
Optical drive (see
Optical drive on page 54)
c.
Keyboard (see
Keyboard on page 58)
d.
Fan (see
Fan on page 62)
86 Chapter 4 Removal and replacement procedures