HP ProBook 4446s HP ProBook 4445s Notebook PC HP ProBook 4446s Notebook PC - M - Page 42

Bottom door, and slide the release latches

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Bottom door Description Bottom door Spare part number 690979-001 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. 4. Remove the battery (see Battery on page 33). Remove the bottom door: 1. Position the computer upside-down on a flat surface, with the battery bay toward you. 2. Remove the locking screw (if installed) (1) and slide the release latches (2) in towards the center of the computer. 3. Slide the door toward the front of the computer (3), and then lift the door off the computer (4). Reverse the removal procedures to install the bottom door. 34 Chapter 4 Removal and replacement procedures

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Bottom door
Description
Spare part number
Bottom door
690979-001
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.
4.
Remove the battery (see
Battery
on page
33
).
Remove the bottom door:
1.
Position the computer upside-down on a flat surface, with the battery bay toward you.
2.
Remove the locking screw (if installed)
(1)
and slide the release latches
(2)
in towards the center
of the computer.
3.
Slide the door toward the front of the computer
(3)
, and then lift the door off the computer
(4)
.
Reverse the removal procedures to install the bottom door.
34
Chapter 4
Removal and replacement procedures