HP 520 HP 520 Notebook PC - Maintenance and Service Guide - Page 39

Battery, Turn the computer upside down on a flat surface, with the rear panel toward you.

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Battery Description 4-cell, 2.2-Ah, 32-Wh Battery Spare part number 438518-001 Before disassembling the computer, 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 rear panel 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. Component replacement procedures 31

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Battery
Description
Spare part number
4-cell, 2.2-Ah, 32-Wh Battery
438518-001
Before disassembling the computer, 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 rear panel 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.
Component replacement procedures
31