HP ZBook 15 G4 fingerprint reader board replacement

Step-by-step HP ZBook 15 G4 fingerprint reader board replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you need850151-001HP fingerprint reader 850151-001 for the HP ZBook 15 G4
View part & buy links
On this page
  1. Applies to
  2. Tools and parts
  3. Preparation
  4. Replacement
  5. Part numbers in our catalog
  6. Manufacturer manual
Source: steps rewritten in our own words (no more than 8 words in a row copied; part numbers, screw sizes and warnings kept as printed) from HP's Maintenance and Service Guide (PDF, printed pages 32–62). Not bench-tested. We have not performed this repair; keep HP's manual open for its illustrations. Scope restrictions below are part of the guide: do not apply it to other models, generations or configurations. Service manuals are written for trained technicians; work at your own risk.

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 G4. Confirm the exact model on the service label before starting.

HP ZBook 15 G4 Mobile Workstation fingerprint reader board replacement. HP prints the spare part table for this procedure on printed page 61.

Tools and parts

  • Torx driver, Magnetic screwdriver and Phillips P0 and P1 screwdrivers
  • Static-safe work surface
  • 850151-001 - Fingerprint reader board (includes cable). Source: printed page 61.

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

  1. Power the machine down. (printed page 32).
  2. Detach the power from the notebook by unplugging the power cord from the computer. (printed page 32).
  3. Detach all external devices from the computer. (printed page 32).
  4. Take off the bottom cover (see that procedure on page 36). (printed page 37).
  5. Take off the battery (see that procedure on page 37). (printed page 57).
  6. Take the solid-state drive (see Solid-state drive (M.2) at page 40). (printed page 61).
  7. Take out the smart card reader (see that procedure on page 45). (printed page 46).
  8. Take out the hard drive (see that procedure on page 46). (printed page 61).
  9. Take out the WLAN module (see that procedure on page 41). (printed page 61).
  10. turn the top cover the other way up with the front toward you. (printed page 61).
  11. Take out the Phillips PM2.0×2.0 screw that holds the fingerprint reader board and bracket to the (printed page 61).
  12. Lift the fingerprint reader card bracket off the fingerprint reader board (2). (printed page 61).
  13. Detach the fingerprint reader board cable off the system board. (printed page 61).
  14. The fingerprint reader board cable is fixed to the top cover with double-sided adhesive. employ a tool to (printed page 62).
  15. Install the fingerprint reader board by working back through the printed removal steps (printed page 62).

Part numbers in our catalog

Check each part page for its source and variant notes before ordering.

Manufacturer manual

HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-zbook-15-g4-fingerprint-reader-board-replacement-p61

Key facts

HP document part number
915575-001
Model
HP ZBook 15 G4
Release year
2017
Screen size
15.6"
Printed pages
32–62

Related