Antennas In 23.8-Inch Models - HP ProOne 400 23.8-inch G4 All-in-One Business PC Maintenance & Service Manual

Antennas in 23.8-inch models

The antenna cables route from the WLAN module, through a hole in the main chassis, to antennas at the
bottom of the computer. The antennas are secured to the computer with adhesive.
NOTE: Because it is difficult to remove the antenna without damaging it or losing adhesion, a new antenna
kit is available.
To remove the antennas:
1. Prepare the computer for disassembly (see
2. Remove the stand (see
3. Remove the rear port cover (see
4. Remove the speaker cover and speakers (see
5. Remove the system board (see
6. Disconnect the antenna cables from the WLAN module (see
7. Remove the rear enclosure and main chassis (see
models on page
8. Peel the antennas off the chassis (1).
9. Pull the cables through the hole in the chassis (2).
10. Remove the screw from under the webcam.
To install the antennas, reverse the removal procedures.
NOTE: When connecting the antennas cables to the WLAN module, be sure to match the numbers on the
cable with the same number printed on the WLAN module.
58 Chapter 4 Removal and Replacement Procedures
Stand on page 21).
Rear port cover on page
System board on page
47).
Preparing to disassemble the computer on page
23).
Speakers on page 42).
39).
WLAN module on page
Rear enclosure and display assembly in 23.8-inch
21).
32).