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 Chromebook 14a. Confirm the exact model on the service label before starting.
Chromebook 14a wlan module replacement. HP prints the spare part table for this procedure on printed page 30.
Tools and parts
- Tweezers, a pry tool that neither conducts nor marks and a magnetic Phillips P1 driver
- Static-safe work surface
L44796-005- Realtek RTL8822CE 802.11b/g/n/a/ac (2 × 2) MU-MIMO supported and Bluetooth 5.0. Source: printed page 31.L92724-005- Intel Wi-Fi 6 AX201-W + Bluetooth 5 (non-vPro). Source: printed page 31.
Preparation
HP prints its tools list and its handling and electrostatic-discharge cautions on printed page 18. Its preparation for disassembly is on printed page 27: power the unit down through the operating system, unplug the power cord and detach every external device before opening it. 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
- Get the computer ready for disassembly (see that procedure on page 27). (printed page 29).
- Take off the bottom cover (see that procedure on page 27). (printed page 30).
- Detach the battery cable from the system board (see that procedure on page 29). (printed page 31).
- Gently detach the antenna cables from the module (1). (printed page 31).
- Take out the Phillips M2.0 × 2.5 screw (2). (printed page 31).
- Take out the WLAN module from the socket (3). (printed page 31).
- if the wlan antenna has no connection to the terminal on the wlan module, fit a safety sleeve on (printed page 32).
- Install the wlan module by working back through the printed removal steps (printed page 32).
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-chromebook-14a-wlan-module-replacement-p31