Reverse the procedure to install the base enclosure.
Battery
Description Spare part number
Battery (3-cell, 45-WHr, 3.95-AH, Li-ion; includes cable) 848212-850
Before removing the battery, follow these steps:
1. Turn o 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the two computer feet and base enclosure (see Computer feet and base enclosure on page 19).
Remove the battery:
1. Disconnect the battery cable (1) from the computer.
2. Remove the two screws (2) that secure the battery to the system board.
3. Remove the battery (3).
Reverse this procedure to install the battery.
Heat sink
Description
Spare part number
Heat sink (includes replacement thermal material) 859527-001
Component replacement procedures 21