HP EliteBook 840 G4 Notebook PC HP EliteBook 848 G4 Notebook PC Maintenance and Service Guide

NFC module
Description Spare part number
NFC (Near Field Communication) module (includes NFC cable, antenna cable, Mylar insulator, and foam) 821666-001
Before removing the NFC module, follow these steps:
1. Turn o the computer. If you are unsure whether the computer is o or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the bottom cover (see Bottom cover on page 32).
5. Remove the battery (see Battery on page 36).
6. Remove the keyboard (see Keyboard on page 47).
7. Remove the internal base plate (see Internal base plate on page 50
Remove the NFC module:
1. Disconnect the system board cable (1) and the NFC antenna (2) from the NFC module.
2. Pry the NFC module from the smart card reader (3), and the lift it from the computer (4).
NOTE: The NFC antenna is also spared with the touchpad.
Reverse the removal procedures to install the NFC module.
58 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts