Keyboard - HP ProBook 4540s Maintenance And Service Manual

Keyboard

NOTE: For a detailed list of available keyboards, see
Description
Keyboard for use in 4540s models without Windows 8
Keyboard for use in 4540s models with Windows 8
Keyboard for use in 4440s/4441s models without Windows 8
Keyboard for use in 4440s/4441s models with Windows 8
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
5. Remove the bottom door (see
Remove the keyboard:
1. Position the computer upside-down with the front toward you.
2. For model 4540s, remove the three Phillips PM2.5×6.0 screws that secure the keyboard to the
computer.
70 Chapter 4 Removal and replacement procedures
Battery on page 55).
Bottom door on page
Sequential part number listing on page
58).
41.
Spare part number
683491-xxx
702237-xxx
683657-xxx
702238-xxx