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

ExpressCard assembly
Description Spare part number
For use only on computer models equipped with a 15.6-in display assembly 613316-001
For use only on computer models equipped with a 14.0-in display assembly 613315-001
Before removing the ExpressCard assembly, 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)
● Top cover (see
Top cover on page 120)
●
Speaker assembly (only on computer models equipped with a 14.0-in display assembly,
see
Speaker assembly on page 129)
Remove the ExpressCard assembly:
NOTE: Steps 1 through 3 apply only to computer models equipped with a 15.6-in display assembly.
See steps 4 and 5 for information on removing the ExpressCard assembly on computer models
equipped with a 14.0-in display assembly.
1. Disconnect the speaker cable (1) from the ExpressCard assembly.
2. Lift the right side (2) of the ExpressCard assembly to disconnect it from the system board.
Component replacement procedures 125