Compaq 400 320 321 420 421 620 and 621 Notebook PC and 420 and 620 Notebook PC - Page 64

Battery, Service door, Slide the battery release latches

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Battery Description 9-cell, 93-Wh, 2.8-Ah Li-on battery 6-cell, 47-Wh, 2.2-Ah Li-on battery Spare part number 593573-001 593572-001 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 battery bay toward you. 2. Slide the battery release latches (1) to release the battery. 3. Remove the battery (2) from the computer. Install the battery by inserting it into the battery bay until you hear a click. Service door Description For use in computers with 39.6-cm (15.6-in) displays For use in computers with 35.6-cm (14-in) and 33.8-cm (13.3-in) displays Spare part number 605785-001 605874-001 56 Chapter 4 Removal and replacement procedures

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Battery
Description
Spare part number
9-cell, 93-Wh, 2.8-Ah Li-on battery
593573-001
6-cell, 47-Wh, 2.2-Ah Li-on battery
593572-001
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 battery bay toward you.
2.
Slide the battery release latches
(1)
to release the battery.
3.
Remove the battery
(2)
from the computer.
Install the battery by inserting it into the battery bay until you hear a click.
Service door
Description
Spare part number
For use in computers with
39.6-cm
(15.6-in) displays
605785-001
For use in computers with
35.6-cm
(14-in) and
33.8-cm
(13.3-in) displays
605874-001
56
Chapter 4
Removal and replacement procedures