HP ZBook 15 G3 heat sink assembly replacement

Step-by-step HP ZBook 15 G3 heat sink assembly replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you need850150-001HP heat sink 850150-001 for the HP ZBook 15 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 32–65). 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 G3. Confirm the exact model on the service label before starting.

HP ZBook 15 G3 Mobile Workstation heat sink assembly replacement. HP prints the spare part table for this procedure on printed page 62.

Tools and parts

  • Torx T8 screw driver, Flat-bladed screw driver and Magnetic screw driver
  • Static-safe work surface
  • 850148-001 - Heat sink for use only in models with Nvidia Quadro graphics boards. Source: printed page 62.
  • 850149-001 - Heat sink for use only in models with the AMD FirePro graphics board. Source: printed page 62.
  • 850150-001 - Heat sink for use only in models with UMA graphics memory. Source: printed page 62.

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 32). (printed page 34).
  5. Detach the battery (see that procedure on page 34). (printed page 36).
  6. On models with discrete graphics memory: (printed page 62).
  7. On models with UMA graphics memory: (printed page 63).
  8. Install the heat sink assembly by working back through the printed removal steps (printed page 65).

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-g3-heat-sink-assembly-replacement-p62

Key facts

HP document part number
839656-002
Model
HP ZBook 15 G3
Release year
2016
Screen size
15.6"
Printed pages
32–65

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