HP 645 G3 User Manual

3. Lift the speaker assembly to remove it.(3).
Reverse this procedure to install the speaker.
Power button board
NOTE: The power button board spare part kit includes the cable.
Description Spare part number
Power button board
For 14" products 840693-001
For 15" products 840744-001
IMPORTANT: Make special note of each screw and screw lock size and location during removal and
replacement.
Before removing the power button board, follow these steps:
1. Shut down the computer.
2. Disconnect all external devices connected to the computer.
3. Remove the following components:
a. Service door (see Service door on page 37).
b. Remove the battery (see Battery on page 38)
c. Hard drive (see Hard drive on page 39).
d. Solid-state drive (see Solid-state drive (select products only) on page 41).
e. WWAN module (see WWAN module (select products only) on page 42).
Component replacement procedures 69

HP 645 G3 Specifications

General

Operating System	Windows 10 Pro
Processor	AMD PRO A10-8730B
Display	14-inch diagonal HD SVA anti-glare (1366 x 768)
Weight	Starting at 1.9 kg
Battery	3-cell, 48 Wh Li-ion
Ports	HDMI, VGA, Ethernet, headphone/microphone combo jack
Wireless	Bluetooth 4.2
Storage	Up to 512 GB SATA SSD or 1 TB HDD
Graphics	Integrated AMD Radeon R5 Graphics