Maintenance and Service Guide

Battery
Table 5-12 Battery spare part information
Description Spare part number
Battery (3 cell, 51 WHr, 4.45 AHr, Li-ion; includes cable) L77034-005
Before removing the battery, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o 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 rst unplugging the power cord from the AC outlet, and then
unplugging the AC adapter from the computer.
4. Remove the keyboard/top cover (see Bottom cover on page 25).
5. Remove the speakers (see Front speakers on page 27).
Remove the battery:
1. Disconnect the battery cable (1) from the system board.
2. Remove the six Phillips M2.0×4.1 screws (2) that secure the battery to the keyboard/top cover.
3. Remove the battery (3).
Reverse this procedure to install the battery.
Component replacement procedures 49