HP EliteBook 850 G2 heat sink replacement

Step-by-step HP EliteBook 850 G2 heat sink replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you need796898-001HP Heat sink kit including fan and cable 796898-001 for the HP EliteBook 850 G2
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On this page
  1. Applies to
  2. Tools and parts
  3. Preparation
  4. Replacement
  5. Parts this procedure uses
  6. Part numbers in our catalog
  7. 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 81–83). 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 G2. Confirm the exact model on the service label before starting.

HP EliteBook 850 G2 Notebook PC heat sink replacement. HP prints this procedure on printed page 81 of its maintenance and service guide.

Tools and parts

  • Screwdrivers and a non-marking pry tool as HP lists for this procedure
  • Static-safe work surface
  • 803019-001 - For use only on HP EliteBook 850 G2 Notebook PC and HP EliteBook 750 G2 Notebook PC computer models equipped with a graphics subsystem with UMA memory. Source: printed page 80.
  • 803018-001 - For use only on HP EliteBook 850 G2 Notebook PC and HP EliteBook 750 G2 Notebook PC computer models equipped with a graphics subsystem with UMA memory. Source: printed page 80.
  • 796898-001 - For use only on HP ZBook 15u G2 Mobile Workstation computer models (includes fan). Source: printed page 80.

Preparation

Save your work and shut the computer down through the operating system, unplug AC power and every external device, and work on a clean, grounded, ESD-protected surface while sorting each screw by its original location. Handle every cable by its connector and put each one back in its own place during reassembly.

Replacement

  1. Following the 1, 2, 3, 4, 5, 6 order stamped into the heat sink, back off the six captive Philllips screws (printed page 81).
  2. Take out the heat sink (7). (printed page 81).
  3. following 1, 2, 3, 4 sequence marked on the heat sink, back off the four captive Philllips screws (printed page 81).
  4. Take out the heat sink (4). (printed page 82).
  5. Fit the replacement part by working back through the printed removal steps (printed page 83).

Parts this procedure uses

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-g2-heat-sink-replacement-p81

Key facts

HP document part number
803219-001
Model
HP EliteBook 850 G2
Release year
2015
Screen size
15.6"
Printed pages
81–83

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