System information

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 61),
5. Remove the optical drive.
6. Remove the top cover from the base enclosure (see
Base enclosure on page 65).
7. Remove the WLAN module (see
WLAN module on page 80).
8. Remove the system board (see
System board on page 89).
Remove the speakers:
1. Turn the computer, with the front edge toward you.
2. Remove two screws (1).
3. Disengage the cables, and then remove the front speakers (2).
Reverse this procedure to install the speakers.
Memory modules
Before adding new memory, make sure you update the computer to the latest BIOS.
CAUTION: Failure to update the computer to the latest BIOS prior to installing new memory may result in
various system problems. For steps on updating the BIOS, see
Ubuntu Linux – Using Setup Utility (BIOS) and
System Diagnostics on page 110, see Windows – Using Setup Utility (BIOS) and HP PC Hardware Diagnostics
(UEFI) on page 107.
Description Spare part number
2 GB memory module for use with HP Pavilion 17 computer models 691739-005
98 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts