System information

7. Remove the modem module cable (2) from the routing channel built into the base enclosure. The
modem module cable is included in the Cable Kit, spare part number 430474-001.
When replacing the system board, be sure that the following components are removed from the defective
system board and installed on the replacement system board:
●
ExpressCard assembly (see
ExpressCard assembly on page 75)
●
Fan/heat sink assembly (see
Fan/heat sink assembly on page 78)
●
Processor (see
Processor on page 81)
Reverse the preceding procedure to install the system board.
ExpressCard assembly
Description Spare part number
ExpressCard assembly 417112-001
Before removing the ExpressCard assembly, 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 36).
5.
Remove the following components:
a.
Hard drive (see
Hard drive on page 37)
b.
Optical drive (see
Optical drive on page 44)
c.
Keyboard (see
Keyboard on page 46)
d.
Switch cover (see
Switch cover on page 49)
e.
Display assembly (see
Display assembly on page 51)
ENWW Component replacement procedures 75