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Removal and replacement procedures
Maintenance and Service Guide 4–7
Battery
Before removing the 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.
Remove the battery:
1. Turn the computer upside down on a flat surface, with the battery bay toward you.
2. Slide the battery release latches 1 to release the battery.
3. Remove the battery 2.
Install the battery by inserting it into the battery bay until you hear a click.
Description Spare part number
6-cell, 2.55-Ah (55-Wh) Li-ion battery 580029-001