Battery
Description Spare part number
Battery, 3 cell, 50 WHr, 4.33 Ah 933321-855
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 bottom cover (see Bottom cover on page 33).
To remove the battery:
CAUTION: Removing a battery that is the sole power source for the computer can cause loss of information.
To prevent loss of information, save your work and shut down the computer through Windows before
removing the battery.
1. Disconnect the battery cable from the system board (1).
2. Remove the ve Torx T8 2.0×4.0 screws (2).
46 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts