HP EliteBook 755 G3 speaker assembly replacement

Step-by-step HP EliteBook 755 G3 speaker assembly replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you need821170-001HP speaker kit 821170-001 for the HP EliteBook 755 G3
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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 34–74). 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 755 G3. Confirm the exact model on the service label before starting.

HP EliteBook 755 G3 Notebook PC speaker assembly replacement. HP prints this procedure on printed page 74 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
  • 821170-001 - Speaker assembly (includes cable). Source: printed page 74.

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. Power the machine down. If you cannot tell whether the machine is off or in Hibernation, turn the machine on, and after that shut it down through the operating system. (printed page 34).
  2. Cut the power from the machine by unplugging the power cord from the machine. (printed page 34).
  3. Detach every external device from the machine. (printed page 34).
  4. Take the bottom cover off (the Bottom cover section is on page 34). (printed page 39).
  5. Take the battery out (the Battery section is on page 39). (printed page 40).
  6. Take the keyboard (the Keyboard section is on page 50). (printed page 74).
  7. Take the heat sink/fan assembly (the Heat sink/fan assembly section is on page 58). (printed page 74).
  8. Take the main board (the main board section is on page 71). (printed page 74).
  9. Take the two Phillips PM2.5x2.5 fasteners that hold the speakers to the machine (1). (printed page 74).
  10. Take the speaker (2) from the machine. (printed page 74).
  11. Fit the replacement part by working back through the printed removal steps (printed page 74).

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-755-g3-speaker-assembly-replacement-p74

Key facts

HP document part number
842508-001
Model
HP EliteBook 755 G3
Release year
2015
Screen size
15.6"
Printed pages
34–74

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