Specifications

3. Remove the battery from the socket (2).
Reverse this procedure to install the RTC battery.
Hard drive cable
The hard drive cable spare part number is 721510-001.
Before removing the hard drive cable, 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 27).
5. Remove the following components:
a. Top cover (see
Top cover on page 29)
b. Power button board
c. Display assembly
d. Speaker assembly
e. Hard drive (see
Hard drive on page 42)
f. System board
Remove the hard drive cable:
1. Position the system board upside-down.
48 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts