HP ProBook 4545s HP ProBook 4545s Notebook PC - Maintenance and Service Guide - Page 52

Keyboard, and then unplugging the AC adapter from the computer. - keyboard removal

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8. Lower the mylar protector from the assembly (4). Reverse this procedure to reassemble and install the hard drive. Keyboard NOTE: For a detailed list of available keyboards, see Sequential part number listing on page 24. Description Keyboard Spare part number 683491-xxx Before removing the keyboard, 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 34). 5. Remove the bottom door (see Bottom door on page 35). 6. Remove the Optical drive (see Optical drive on page 39). Remove the keyboard: 1. Position the computer upside-down with the front toward you. 44 Chapter 4 Removal and replacement procedures

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8.
Lower the mylar protector from the assembly
(4)
.
Reverse this procedure to reassemble and install the hard drive.
Keyboard
NOTE:
For a detailed list of available keyboards, see
Sequential part number listing
on page
24
.
Description
Spare part number
Keyboard
683491-xxx
Before removing the keyboard, 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
34
).
5.
Remove the bottom door (see
Bottom door
on page
35
).
6.
Remove the Optical drive (see
Optical drive
on page
39
).
Remove the keyboard:
1.
Position the computer upside-down with the front toward you.
44
Chapter 4
Removal and replacement procedures