HP EliteBook 840 G1 base enclosure replacement

Step-by-step HP EliteBook 840 G1 base enclosure replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you need745311-001HP bottom cover 745311-001 for the HP EliteBook 840 G1
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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 79–81). 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 840 G1. Confirm the exact model on the service label before starting.

HP EliteBook 840 G1 Notebook PC base enclosure replacement. HP prints this procedure on printed page 79 of its maintenance and service guide, and the spare-part table for this part is on printed page 79.

tools and parts

  • Flat-bladed drivers, Magnetic drivers and Phillips P0 and P1 drivers
  • Static-safe work surface
  • 730813-001 - Base enclosure for use only on HP EliteBook 750/850 models (includes RJ-45 door with spring). Source: printed page 82.
  • 765811-001 - Base enclosure for use only on HP EliteBook 750/850 models, ESD (includes RJ-45 door with spring). Source: printed page 82.

preparation

HP prints its tools list and its handling and electrostatic-discharge cautions on printed page 53. 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. Position the computer upside down. (printed page 79).
  2. Take out the seven rubber screw covers from the fasteners outside of the service cover. (printed page 80).
  3. Take out the 16 Torx T8M2.5×5.0 screws that hold the base enclosure to the computer. (printed page 80).
  4. Take out Phillips PM2.0×8.0 screw near media card reader and six Phillips PM2.0×5.0 broadhead screws inside the battery bay hold the base enclosure to the computer. (printed page 80).
  5. Lift the base enclosure off the computer. (printed page 81).
  6. Put the base enclosure back by repeating the printed removal moves in the opposite order (printed page 81).

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-840-g1-base-enclosure-replacement-p79

Key facts

HP document part number
734761-003
Model
HP EliteBook 840 G1
Release year
2013
Screen size
14"
Printed pages
79–81

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