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HP Compaq nc6400 Notebook PC - Removing and Replacing the Keyboard

Introduction

This document is provided to assist in removing and replacing the Keyboard for the HP Compaq nc6400 Notebook PC.

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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.

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Tools required

  • Torx 8 (T8) screwdriver

  • Small, flat-bladed screwdriver or a flat-bladed alignment tool

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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 (Black)
418910-001
Yes
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 labeled with the Modified Spare number, the Modified Spare must be ordered as the replacement part. If your unit contains a part that is labeled 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.

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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.

Click here to view the Keyboard removal video (right-click on the link 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:

    Click here to view the precautions .

    CAUTION: Failure to comply with the precautions could result in damage to your product or loss of data.
  2. Remove the battery. Click here for instructions to remove the Battery .

  3. Remove the three T8-10 mm screws that secure the keyboard to the base enclosure.

  4. Turn the notebook right side up and open the display panel fully.

  5. Slide the four plastic locking tabs toward the bottom edge of the keyboard to unlock the keyboard from the switch cover.

  6. 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.

  7. 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.
  8. Remove the keyboard ribbon cable from the ZIF connector.

  9. 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.
  10. Remove the pointing stick ribbon cable from the ZIF connector.

  11. 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.

  7. Press the keyboard flat and slide the four plastic locking tabs toward the rear of the notebook to lock the keyboard to the switch cover.

  8. Close the display panel and turn the notebook upside down.

  9. Replace the three T8-10 mm screws that secure the keyboard to the base enclosure.

  10. Replace the battery. Click here for instructions to replace the Battery .

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Parts return

If your part requires return then click on the appropriate link below:

Click here for the defective parts return procedure for US .

Click here for the defective parts return procedure for Europe .

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