HP ProBook 645 G4 Maintenance And Service Manual page 90

14. Remove the antenna cables from the display cover (4).
WWAN antennas are available in the Antenna Kit using spare part number L09523-001.
The display rear cover is available using spare part number L09526-001 for non-touch models or L19831-001
for touch models.
The display cable is available using spare part number L09533-001 for non-touch models or L19834-001 for
touch models.
Reverse these procedures to reassemble and install the display assembly components.
80 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts