Labels: DOCUMENTED = taken from HP's manual; PROPOSED = our own joining or ordering of HP's directions, not an HP instruction; UNPERFORMED = a suggested check that has not been carried out.
Applies to
HP ZBook 15 G3. Confirm the exact model on the service label before starting.
HP ZBook 15 G3 Mobile Workstation wwan module replacement. HP prints the spare part table for this procedure on printed page 46.
Tools and parts
- Torx T8 screw driver, Flat-bladed screw driver and Magnetic screw driver
- Static-safe work surface
800870-002- HP lt4120 LTE/EVDO/HSPA+ Gobi 4G Mobile Broadband Module. Source: printed page 46.822828-002- HP hs3110 HSPA+ Mobile Broadband Module. Source: printed page 46.
Preparation
HP prints its tools list and its handling and electrostatic-discharge cautions on printed page 27. Work on a grounded, static-safe surface, keep screws grouped by the position they came from, and handle boards and modules by their edges.
Replacement
- Power the machine down. (printed page 32).
- Detach the power from the notebook by unplugging the power cord from the computer. (printed page 32).
- Detach all external devices from the computer. (printed page 32).
- Take off the bottom cover (see that procedure on page 32). (printed page 34).
- Detach the battery (see that procedure on page 34). (printed page 36).
- Detach the WWAN antenna cables from the terminals on the WWAN module. (printed page 46).
- Take out the Phillips PM2.0×3.25 screw that holds the WWAN module to the system board. (The (printed page 46).
- Take out the wwan module by drawing the module out of the slot at an angle. (printed page 46).
- Install the wwan module by working back through the printed removal steps (printed page 47).
Parts this procedure uses
- HP HP lt4120 Snapdragon X5 LTE/EVDO/HSPA+ 4G mobile broadband m 800870-002 (800870-002)
- HP HP hs3110 HSPA+ WWAN module 822828-002 (822828-002)
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-zbook-15-g3-wwan-module-replacement-p46