HP ProBook 455 G7 card reader board replacement

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

Part you needL52223-001HP Card reader board with attached cable L52223-001 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 33–52). 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 card reader board replacement. HP prints the spare part table for this procedure on printed page 51.

tools and parts

  • Tweezers, a pry tool that neither conducts nor marks and a magnetic Phillips P1 driver
  • Static-safe work surface
  • L52223-001 - Card reader board assembly (includes cable). Source: printed page 51.

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.

  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. Take out the bottom cover (Bottom cover on page 33). (printed page 34).
  4. Take off the battery (Battery on page 34). (printed page 35).

replacement

  1. Take out the two Phillips M2.0 × 2.0 screws that hold the card reader board to the computer. (printed page 51).
  2. Lift the tape off the cable (2). (printed page 51).
  3. Position the board upside down so (printed page 51).
  4. Detach the RTC battery from carefully the card reader board (1). (printed page 51).
  5. Detach the card reader board lead from ZIF plug on the card reader board (2). (printed page 51).
  6. Lift the card reader board carefully out of the computer (3). (printed page 52).
  7. Install the card reader board by working back through the printed removal steps (printed page 52).

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-card-reader-board-replacement-p51

Key facts

HP document part number
L92358-001
Model
HP ProBook 455 G7
Release year
2020
Screen size
15.6"
Printed pages
33–52

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