HP EliteBook 840 G11 USB board replacement

Step-by-step HP EliteBook 840 G11 USB board replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you needN09040-001HP Cable Kit N09040-001 for the HP EliteBook 840 G11
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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 39–56). 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 G11. Confirm the exact model on the service label before starting.

HP EliteBook 840 14 inch G11 Notebook PC USB board replacement. HP prints this procedure on printed page 55 of its maintenance and service guide, and the spare-part table for this part is on printed page 19.

Tools and parts

  • Screwdrivers and a non-marking pry tool as HP lists for this procedure
  • Static-safe work surface
  • N94621-001 - USB board. Source: printed page 55.
  • N09040-001 - USB board cable (included in the Cable Kit). Source: printed page 55.
  • N09031-001 - USB board plastic bracket (included in the Plastic Kit). Source: printed page 55.
  • N94626-001 - USB board metal bracket and SIM tray (included in the Bracket Kit). Source: printed page 55.

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. Get the machine ready for taking apart (the Preparation for disassembly section is on page 37). (printed page 39).
  2. Take the bottom cover off (the Bottom cover section is on page 37). (printed page 39).
  3. Detach the battery lead from the main board (the Battery section is on page 48). (printed page 39).
  4. If the machine has a SIM card slot, take the SIM card holder from the slot. (printed page 55).
  5. Take the two Phillips M2.0 × 4.0 fasteners (1) that hold the top plastic bracket to the machine, and after that take the plastic bracket (2). (printed page 55).
  6. Undo the Phillips M2.0 × 4.0 fastener (3) that holds the metal bracket to the machine, and after that take the metal bracket (4). (printed page 55).
  7. Detach the lead from the USB board ZIF connector (5). (printed page 56).
  8. Take the USB board (6) from the machine. (printed page 56).

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-840-14-inch-g11-usb-board-replacement-p55

Key facts

HP document part number
N90667-001
Model
HP EliteBook 840 G11
Release year
2024
Screen size
14"
Printed pages
39–56

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