HP ProBook 455 G7 bottom cover replacement

Step-by-step HP ProBook 455 G7 bottom cover replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you needL79384-001HP bottom cover (base enclosure) L79384-001 for the HP ProBook 455 G7
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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 33–34). 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 ProBook 455 G7. Confirm the exact model on the service label before starting.

HP ProBook 455 G7 Notebook PC bottom cover replacement. HP prints the spare part table for this procedure on printed page 33.

Tools and parts

  • Tweezers, a pry tool that neither conducts nor marks and a magnetic Phillips P1 driver
  • Static-safe work surface
  • L79384-001 - Bottom covers. Source: printed page 33.

Preparation

HP prints its tools list and its handling and electrostatic-discharge cautions on printed page 27. Its preparation for disassembly is on printed page 32: power the unit down through the operating system, unplug the power cord and detach every external device before opening it. 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. Get the computer ready for disassembly (Preparation for disassembly on page 32). (printed page 33).
  2. Place the computer in cell Safe mode (Battery Safe mode on page 32). (printed page 33).
  3. Loosen the five captive Phillips screws (1). (printed page 33).
  4. Take out the two Phillips M2.0 × 5.0 screws that hold the bottom cover to the computer. (printed page 33).
  5. Starting under the display (printed page 33).
  6. Get the computer ready for disassembly (Preparation for disassembly on page 32). (printed page 33).
  7. Place the computer in cell Safe mode (Battery Safe mode on page 32). (printed page 33).
  8. Take out the bottom cover (Bottom cover on page 33). (printed page 34).
  9. Take out the two Phillips M2.0 × 4.0 screws and the Phillips M2.0 × 2.0 screw that holds the (printed page 34).
  10. Rotate the top of the battery up (3) (printed page 34).
  11. Install the bottom cover by working back through the printed removal steps (printed page 34).

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-probook-455-g7-bottom-cover-replacement-p33

Key facts

HP document part number
L92358-001
Model
HP ProBook 455 G7
Release year
2020
Screen size
15.6"
Printed pages
33–34

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