HP ProBook 6455b, 6555b, 6450b and 6550b Notebook PCs Maintenance and Service Guide

Top cover
NOTE: The top cover spare part kit includes the TouchPad, TouchPad cable, TouchPad button
board, and TouchPad button board cable.
Description Spare part number
Top cover for use only on computer models equipped with a 15.6-in display assembly and 2-button
TouchPad
613335-001
Top cover for use only on computer models equipped with a 15.6-in display assembly and 4-button
TouchPad
613336-001
Top cover for use only on computer models equipped with a 14.0-in display assembly and 2-button
TouchPad
613333-001
Top cover for use only on computer models equipped with a 14.0-in display assembly and 4-button
TouchPad
613334-001
Before removing the top cover, 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 74).
5. Remove the following components:
●
Bluetooth module (see
Bluetooth module on page 76)
●
Mass storage device (see
Mass storage device on page 78)
●
Optical drive (see
Optical drive on page 88)
●
Keyboard (see
Keyboard on page 90)
●
Switch cover (see
Switch cover on page 97)
●
Palm rest (see
Palm rest on page 100)
●
Display assembly (see
Display assembly on page 108)
Remove the top cover.
1. Turn the computer upside down, with the front toward you.
120 Chapter 4 Removal and replacement procedures