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Battery
Description
Battery, 4-cell, 48 WHr, 4.21 Ah
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.
Place the computer in "Battery Safe mode"
3.
Disconnect all external devices connected to the computer.
4.
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.
5.
Remove the following components:
a.
Service door (see
b.
Hard drive
c.
Keyboard (see
d.
Top cover (see
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.
Position the computer upright on a flat surface.
2.
Remove the 3 Torx T8 2.5×5.0 screws (1) that secure the battery to the computer.
Service doors on page
(Hard drive on page
33)
Keyboard on page
42)
Top cover on page
49)
(Battery Safe mode on page
31).
Component replacement procedures
Spare part number
851610-855
30).
61
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