HP EliteBook 850 G4 Maintenance And Service Manual page 88

15. If it is necessary to replace the WWAN antenna cables, peel the transceivers from the top of the display
enclosure (1), remove the antenna cables from the on the sides of the display enclosure (2), and then
remove the antenna cables (3).
NOTE:
The display enclosure is available using the following spare part numbers:
HP EliteBook 850 G4 Notebook PC models
HD/FHD models: 821180-001
UHD models: 918428-001
HP ZBook 15u G4 Mobile Workstation models
FHD models: 839528-001
UHD models: 821151-001
The UHD panel bracket is available using spare part number 919796-001.
Reverse this procedure to reassemble and install the display assembly.
76 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
The WWAN antennas are spared with the display enclosure.