6
Removal and replacement procedures
for Authorized Service Provider parts
CAUTION:
Components described in this chapter should only be accessed by an authorized
service provider. Accessing these parts can damage the computer or void the warranty.
Component replacement procedures
This chapter provides removal and replacement procedures for Authorized Service Provider only
parts.
There are as many as 44 screws that must be removed, replaced, and/or loosened when servicing
the computer. Make special note of each screw size and location during removal and replacement.
RTC battery
Description
Spare part number
RTC battery (includes double-sided tape)
738824-001
Before removing the RTC battery, follow these steps:
1.
Turn off 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 the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the battery (see
Battery on page 33
).
5.
Remove the service door (see
Service door on page 34
).
Remove the RTC battery:
1.
Disconnect the RTC battery cable
(1)
from the system board.
2.
Release the RTC battery cable
(2)
from the routing channel built into the bottom cover.
40
Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
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