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HP Compaq nw9440 Mobile Workstation - Removing and Replacing the Keyboard

Introduction
This document is provided to assist in removing and replacing the Keyboard for the HP Compaq nw9440 Mobile Workstation.
Minimum skill level
The End User requires no hardware-specific training to replace the defective part. The End user should have familiarity with system hardware and software requiring repair.
Tools required
T8-9 mm screw driver
Parts required
  note:
Part numbers are subject to change.
The replacement part number will vary depending on the Keyboard that is being replaced. If a part is listed as "Yes" under "Requires Return" then the defective part needs to be returned to HP. Click here for more information on returning parts to HP.
Description
Part Number
Requires Return
Keyboard with point stick - Includes point stick cable
409913-xx1 (Modified)
No
Keyboard without point stick
409911-xx1 (Modified)
No
  note:
The part number will vary based on the country. Click here for a list of country specific keyboard spare part numbers.
  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 Keyboard, click on the link below. Or use the product video listing on the HP Services Media Library, then select Keyboard from the menu on the upper left hand side of the screen.
Right-click on the video link above to open in a new window/tab.
Keyboard 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. Remove the four T8-9 mm screws that secure the keyboard to the base enclosure.
      note:
    Screw location is indicated by the appropriate icon.
  3. Turn the notebook right side up and open the display panel fully.
  4. Use a flat-bladed tool or your finger to lift the top edge of the keyboard and then place it upside down on the top cover.
  5. Using minimal force, lift the locking bar to unlock the pointing stick ZIF connector on the system board.
      note:
    Use care to prevent damaging the ZIF connector and ribbon cable. Remove the pointing stick ribbon cable from the ZIF connector.
  6. Using minimal force, lift the locking bar to unlock the keyboard ZIF connector on the system board.
      note:
    Use care to prevent damaging the ZIF connector and ribbon cable.
  7. Remove the keyboard ribbon cable from the ZIF connector and remove the keyboard.
Keyboard replacement
  1. Place the keyboard upside down on the top cover.
  2. Insert the keyboard ribbon cable into the keyboard ZIF connector on the system board.
      note:
    Use care to prevent damaging the keyboard ribbon cable.
  3. Push the locking bar down to lock the keyboard ZIF connector on the system board.
  4. Insert the pointing stick ribbon cable into the pointing stick ZIF connector on the system board.
      note:
    Use care to prevent damaging the pointing stick ribbon cable.
  5. Push the locking bar down to lock the pointing stick ZIF connector on the system board.
  6. Toe the tabs on the bottom edge of the keyboard into the top cover and press the keyboard flat.
  7. Close the display panel and turn the notebook upside down.
  8. Replace the four T8-9 mm screws that secure the keyboard to the base enclosure.

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