HP EliteBook 755 Maintenance and Service Guide - Page 57

Battery

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Battery Description Battery, 3 cell, 56 WHr, 4.85 Ah Spare part number 933322-855 NOTE: It is recommended that the battery power cable be disconnected from the system board before removing any part. You can disconnect the cable without removing the 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. 4. Remove the bottom cover (see Bottom cover on page 34). 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 four Torx T8 2.0×4.0 screws (2). Component replacement procedures 47

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Battery
Description
Spare part number
Battery, 3 cell, 56 WHr, 4.85 Ah
933322-855
NOTE:
It is recommended that the battery power cable be disconnected from the system board before
removing any part. You can disconnect the cable without removing the 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.
4.
Remove the bottom cover (see
Bottom cover
on page
34
).
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 four Torx T8 2.0×4.0 screws
(2)
.
Component replacement procedures
47