Specifications

Top cover
Description Spare part number
Top cover (includes TouchPad board and cable, and TouchPad button board and cable) 491254-001
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 50).
5. Remove the following components:
a. Hard drive (see
Hard drive on page 51)
b. Optical drive (see
Optical drive on page 59)
c. Switch cover and keyboard (see
Switch cover and keyboard on page 61)
d. Speakers (see
Speakers on page 66)
e. Display assembly (see
Display assembly on page 67)
Remove the top cover:
1. Turn the computer upside down, with the front toward you.
2. Remove the two rubber screw covers (1) and the seven slotted Torx ST8M2.5×7.0 screws (2) that
secure the top cover to the computer. The rubber screw covers are available in the Rubber Kit,
spare part numbers 491257-001 (for use only with HP Compaq 6730s Notebook PC models) and
491620-001 (for use only with HP Compaq 6735s Notebook PC models).
74 Chapter 4 Removal and replacement procedures