HP (Hewlett-Packard) BJ840USABA Laptop User Manual


 
Speaker
Description Spare part number
Speaker 486308-001
Before removing the speaker, 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:
a. Hard drive (see
Hard drive on page 56)
b. Keyboard (see
Keyboard on page 65)
c. Switch cover (see
Switch cover on page 74)
d. Display assembly (see
Display assembly on page 85)
e. Top cover (see
Top cover on page 90)
f. Bluetooth module cable (see
Bluetooth module cable on page 95)
Remove the speaker:
1. Disconnect the speaker cable (1) from the system board.
2. Remove the Torx8 T8M2.5×7.0 screw (2) that secures the speaker to the base enclosure.
96 Chapter 4 Removal and replacement procedures