Removal and replacement procedures
RTC battery
Description
RTC battery
Before removing the RTC battery, 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
5. Remove the following components:
a. Hard drive (see
b. Optical drive (see
c. Keyboard and switch cover (see
d. Speaker (see
e. Display assembly (see
f. Top cover (see
g. System board (see
4–40
"Battery" on page
"Hard drive" on page
"Optical drive" on page
"Keyboard and switch cover" on page
"Speaker" on page
4-24)
"Display assembly" on page
"Top cover" on page
4-32)
"System board" on page
4-6).
4-8)
4-18)
4-25)
4-36)
Spare part number
449137-001
4-20)
Maintenance and Service Guide