HP ProBook 640 G1, 645 G1, 650 G1, and 655 G1 Notebook PCs - Maintenance and Service Guide

TouchPad
Description Spare part number
Top cover
For use in HP ProBook 655 G1 models:
Top cover with 2-button TouchPad
Top cover with 2-button TouchPad and bracket
Top cover with 4-button TouchPad
Top cover with 4-button TouchPad and bracket
Top cover with 2-button TouchPad and backlit keyboard
745889-001
738710-001
745890-001
738711-001
805782-001
For use in HP ProBook 650 G1 models:
Top cover with 2-button TouchPad
Top cover with 2-button TouchPad and bracket
Top cover with 4-button TouchPad
Top cover with 4-button TouchPad and bracket
Top cover with 2-button TouchPad and backlit keyboard
738708-001
738710-001
738709-001
738711-001
805782-001
For use on models equipped with a 14-in. display assembly:
Top cover with 2-button TouchPad
Top cover with 2-button TouchPad and bracket
Top cover with 4-button TouchPad
Top cover with 4-button TouchPad and bracket
Top cover with 2-button TouchPad and backlit keyboard
738405-001
738407-001
738406-001
738408-001
805783-001
Before removing the top cover, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see Battery on page 56), and then remove the following components:
a. Service cover (see Service cover on page 57)
b. Hard drive (see Hard drive on page 58)
c. Optical drive (see Optical drive on page 69)
d. Keyboard (see Keyboard on page 72)
NOTE: When replacing the top cover, be sure to remove the following components from the defective top
cover and install them on the replacement top cover:
100 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts