HP EliteBook 850 G3 usb/audio board replacement

Step-by-step HP EliteBook 850 G3 usb/audio board replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you need821190-001HP power button board (15") for the HP EliteBook 850 G3
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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 71). 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 EliteBook 850 G3. Confirm the exact model on the service label before starting.

HP EliteBook 850 G3 Notebook PC usb/audio board replacement. HP prints this procedure on printed page 71 of its maintenance and service guide, and the spare-part table for this part is on printed page 71.

tools and parts

  • Phillips P0 drivers
  • Static-safe work surface
  • 836619-001 - USB/audio board for HP EliteBook 850. Source: printed page 71.
  • 837846-001 - USB/audio board for HP EliteBook 848 and HP EliteBook 840. Source: printed page 71.

preparation

HP prints its tools list and its handling and electrostatic-discharge cautions on printed page 30. 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. Detach the cable from the board (1). (printed page 71).
  2. Take out the 2 Phillips PM2.5×5.0 screws that hold the USB/audio board to the computer. (printed page 71).
  3. Lift the board off the top cover (3). (printed page 71).
  4. Put the usb/audio board back by repeating the printed removal moves in the opposite order (printed page 71).

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-elitebook-850-g3-usb-audio-board-replacement-p71

Key facts

HP document part number
831002-002
Model
HP EliteBook 850 G3
Release year
2015
Screen size
15.6"
Printed pages
71

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