HP EliteBook 840 G8 User Manual

3. Remove the ngerprint reader board from the computer (4).
Reverse this procedure to install the ngerprint reader board.
Touchpad
To remove the touchpad, use this procedure and illustration.
Table
6-8 Touchpad description and part number
Description Spare part number
Touchpad button board M07106-001
Touchpad M42237-001
Touchpad with NFC antenna M42238-001
Touchpad cable (included in Cable Kit) M07101-001
Before removing the touchpad, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 33).
2. Remove the bottom cover (Bottom cover on page 33).
3. Remove the battery (see Battery on page 43).
Remove the touchpad:
1. Disconnect the system board cable from the ZIF connector on the touchpad (1).
2. Disconnect the middle cable from the ZIF connector on the touchpad (2).
3. Disconnect the touchpad button board cable from the ZIF connector on the touchpad (3).
4. Disconnect the cable from the ZIF connector on the system board (4).
5. Remove the four Phillips M1.6 × 1.8 screws (5) that secure the touchpad to the computer.
Component replacement procedures 51

HP EliteBook 840 G8 Specifications

General

RAM	Up to 64 GB DDR4-3200 SDRAM
Storage	Up to 2 TB PCIe NVMe SSD
Graphics	Intel Iris Xe Graphics
Battery	HP Long Life 3-cell, 53 Wh Li-ion
Wireless	Intel Wi-Fi 6 AX201 (2x2) and Bluetooth 5 combo
Bluetooth	Bluetooth 5
Processor	11th Generation Intel Core i5/i7
Display	14" diagonal, FHD (1920 x 1080)
Operating System	Windows 10 Pro
Ports	2x Thunderbolt 4, 2x USB 3.1 Gen1, 1x HDMI 2.0, 1x headphone/microphone combo, 1x AC power
Webcam	720p HD camera
Audio	Dual stereo speakers, dual array microphones
Security	HP Sure Start, HP Sure Sense, HP Sure Click