HP ProBook 430 G4, Руководство по техническому обслуживанию и ремонту

Страница: 68 / 120

Speaker assembly
Description Spare part number
Speaker assembly 905729-001
Before removing the speaker 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. Place the computer in “Battery Safe mode” ( Battery Safe mode on page 30 ).
3. Disconnect all external devices connected to the computer.
4. 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.
5. Remove the following components:
a. Service door (see Service doors on page 31 ).
b. Hard drive ( Hard drive on page 33 )
c. Keyboard (see Keyboard on page 42 )
d. Top cover (see Top cover on page 49 )
Remove the speaker assembly:
1. Position the top cover upside-down.
2. Remove the 2 Phillips PM2.0×3.0 screws (1) that secure the speaker assembly to the top cover.
3. Remove the cable from the clips in the top cover (2).
4. Remove the speakers from the top cover (3).
Reverse this procedure to install the speaker assembly.
58 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts