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HP ProBook 4430s Notebook PC - Removing and Replacing the Memory Boards

Introduction
This document is provided to assist in removing and replacing the memory boards for the HP ProBook 4430s Notebook PC.
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.
Parts required
  note:
Part numbers are subject to change.
The replacement part number will vary depending on the memory board 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
4GB, 1333-MHz, PC3-10600 memory module (shared)
621569-001 (Modified)
Yes
2GB, 1333-MHz, PC3-10600 memory module (shared)
621565-001 (Modified)
Yes
1GB, 1333-MHz, PC3-10600 memory module (shared)
639736-001 (Original)
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 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 memory boards, click on the link below. Or use the product video listing on the HP Services Media Library (Click here to go to Service Media Library), then select Memory boards from the menu on the upper left hand side of the screen.
Click here to view the memory boards removal video (right-click on the link to open in a new window/tab).
Memory boards 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.
    • Observe all precautions when removing and replacing components
      note:
    The primary and expansion memory slots are both located under the service door. The primary memory slot is located on the bottom, and the expansion memory slot is located on the top. If an expansion memory board is installed, it must be removed before the primary memory board can be removed.
  2. Slide the battery release latches towards the battery icons to disengage the battery.
  3. Remove the battery by lifting it out of the battery bay.
  4. Slide the battery release latches towards the battery icons until the service door disengages from the base enclosure.
  5. Lift the service door and remove it.
  6. Push both arms outward simultaneously to release the memory board to the spring tension position.
      caution:
    When handling a memory board, use care to prevent touching the memory chips on the board. Touching the memory chips could damage or destroy the memory. Click here to access the information on how to handle a memory board.
  7. Grasp the memory board by the edge and pull gently to remove it.
  8. Place the memory board in a static dissipative bag.
  9. The primary memory board is removed in the same manner.
Memory boards replacement
  1. Grasp the memory board by the edge and remove it from the static dissipative bag.
  2. Align the notch in the memory board with the key in the empty board receptacle on the system board.
  3. At an angle, gently insert the memory board into the slot on the system board.
      caution:
    When handling a memory board, use care to prevent touching the memory chips on the board. Touching the memory chips could damage or destroy the memory. Click here to access the information on how to handle a memory board.
  4. Press the memory board down to latch the arms.
  5. The expansion memory board is replaced in the same manner.
  6. Place the service door on the base enclosure.
  7. Slide the service door towards the rear of the notebook until it clicks into place.
  8. Lower the rear edge of the battery into the battery bay.
  9. Lower the front edge of the battery until it clicks into place.

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