HP ProBook 640 G1 touchpad replacement

Step-by-step HP ProBook 640 G1 touchpad replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you need738405-001HP Screen 738405-001 for the HP ProBook 640 G1
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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 101). 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 640 G1. Confirm the exact model on the service label before starting.

HP ProBook 640 G1 touchpad replacement. HP prints this procedure on printed page 100 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
  • 745889-001 - Top cover with 2-button TouchPad. Source: printed page 100.
  • 738710-001 - Top cover with 2-button TouchPad and bracket. Source: printed page 100.
  • 745890-001 - Top cover with 4-button TouchPad. Source: printed page 100.
  • 738711-001 - Top cover with 4-button TouchPad and bracket. Source: printed page 100.
  • 805782-001 - Top cover with 2-button TouchPad and backlit keyboard. Source: printed page 100.
  • 738708-001 - Top cover with 2-button TouchPad. Source: printed page 100.
  • 738710-001 - Top cover with 2-button TouchPad and bracket. Source: printed page 100.
  • 738709-001 - Top cover with 4-button TouchPad. Source: printed page 100.
  • 738711-001 - Top cover with 4-button TouchPad and bracket. Source: printed page 100.
  • 805782-001 - Top cover with 2-button TouchPad and backlit keyboard. Source: printed page 100.
  • 738405-001 - Top cover with 2-button TouchPad. Source: printed page 100.
  • 738407-001 - Top cover with 2-button TouchPad and bracket. Source: printed page 100.
  • 738406-001 - Top cover with 4-button TouchPad. Source: printed page 100.
  • 738408-001 - Top cover with 4-button TouchPad and bracket. Source: printed page 100.
  • 805783-001 - Top cover with 2-button TouchPad and backlit keyboard. Source: printed page 100.

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. Take out the four Torx screws that hold the TouchPad to the top cover. (printed page 101).
  2. Let go of the clip (2) (printed page 101).
  3. Fit the replacement part by working back through the printed removal steps (printed page 101).

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-probook-640-g1-touchpad-replacement

Key facts

HP document part number
728342-003
Model
HP ProBook 640 G1
Release year
2013
Screen size
14"
Printed pages
101

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