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HP ProBook 6440b Notebook PC - Removing and Replacing Touchpad

Introduction
This document is provided to assist in removing and replacing the touchpad for the HP ProBook 6440b Notebook PC.
Tools required
Small, flat-bladed screwdriver or a flat-bladed alignment tool
Parts required
  note:
Part numbers are subject to change.
The replacement part number will vary depending on the touchpad that is being replaced. If a part is listed as "Yes" under "Requires Return" then the defective part needs to be returned to HP.
Description
Part Number
Requires Return
Touchpad 14.0
593867-001 (Modified)
No
  note:
For customers in countries/regions with RoHS legislation* (e.g. EU, China, etc.) restricting the use of hazardous substances in electrical equipment. The use of the Original Spare part is regulated by RoHS legislation. If your unit contains a part that is labelled with the Modified Spare number, the Modified Spare must be ordered as the replacement part. If your unit contains a part that is labelled with the Original Spare number, please order the Original Spare as the replacement part. In this case either the Original Spare or the Modified Spare may be shipped which will not affect performance or functionality of the unit.
Summary of instructions
To view a video demonstrating the procedure for removing the touchpad, click on the link below. Or use the product video listing on the HP Services Media Library (Click here to go to HP Service Media Library), then select Touchpad from the menu on the upper left hand side of the screen.
Click here to view the touchpad removal video (right-click on the link to open in a new window/tab).
Touchpad removal
  1. Review the safety considerations before performing the steps listed below by clicking on the following link:
      caution:
    Failure to comply with the precautions could result in damage to your product or loss of data.
  2. Using a non-metallic, flat bladed tool, gently pry the top edge of the touchpad away from the top cover.
  3. Rotate the top edge of the touchpad toward the front of the base enclosure to gain access to the touchpad ZIF connectors.
  4. Using minimal force, lift the locking bar up on the touchpad ZIF connector on the system board and disconnect the touchpad ribbon cable.
      caution:
    Use care to prevent damaging the ZIF connector and ribbon cable.
  5. Using minimal force, lift the locking bar up on the touchpad button ZIF connector on the touchpad and disconnect the touchpad button ribbon cable.
      caution:
    Use care to prevent damaging the ZIF connector and ribbon cable.
  6. Remove the touchpad from the base enclosure and place it in a static dissipative bag.
Touchpad replacement
  1. Remove the touchpad from the static dissipative bag.
  2. While holding the touchpad in one hand, insert the touchpad button ribbon cable into the touchpad button ZIF connector on the touchpad.
      caution:
    Use care to prevent damaging the ZIF connector and ribbon cable.
  3. Push the locking bar down to lock the touchpad button ZIF connector.
  4. Insert the touchpad ribbon cable into the touchpad ZIF connector on the system board.
      caution:
    Use care to prevent damaging the ZIF connector and ribbon cable.
  5. Push the locking bar down to lock the touchpad ZIF connector.
  6. Place the touchpad into position on the top cover.
  7. Press along the edges of the touchpad to adhere it to the top cover.

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