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HP Compaq nc4400 Notebook PC - Removing and Replacing the Primary memory board

Introduction
This document is provided to assist in removing and replacing the Primary memory board for the HP Compaq nc4400 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.
Tools required
Torx 8 (T8) screwdriver.
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 Primary 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
2GB, 667MHz, PC2-5300, DDR2 SDRAM SO-DIMM (Small Outline Dual In-Line Memory Module)
419149-001 (Modified)
Yes
1GB, 667MHz, PC2-5300, DDR2 SDRAM SO-DIMM (Small Outline Dual In-Line Memory Module)
419145-001 (Modified)
Yes
512MB, 667MHz, PC2-5300, DDR2 SDRAM SO-DIMM (Small Outline Dual In-Line Memory Module)
419151-001 (Modified)
Yes
256MB, 667MHz, PC2-5300, DDR2 SDRAM SO-DIMM (Small Outline Dual In-Line Memory Module)
419147-001 (Modified)
Yes
2GB, 533MHz, PC2-4200, DDR2 SDRAM SO-DIMM (Small Outline Dual In-Line Memory Module)
419148-001 (Modified)
Yes
1GB, 533MHz, PC2-4200, DDR2 SDRAM SO-DIMM (Small Outline Dual In-Line Memory Module)
419144-001 (Modified)
Yes
512MB, 533MHz, PC2-4200, DDR2 SDRAM SO-DIMM (Small Outline Dual In-Line Memory Module)
419150-001 (Modified)
Yes
256MB, 533MHz, PC2-4200, DDR2 SDRAM SO-DIMM (Small Outline Dual In-Line Memory Module)
419146-001 (Modified)
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.
Summary of instructions
To view a video demonstrating the procedure for removing the Primary memory board, 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 Primary memory board from the menu on the upper left hand side of the screen.
Click here to view the Primary memory board removal video (right-click on the link to open in a new window/tab).
Primary memory board 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. Push both arms outward simultaneously to release the primary 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.
  3. Grasp the primary memory board by the edges and pull gently to remove it.
  4. Place the primary memory board in a static dissipative bag.
Primary memory board replacement
  1. Remove the primary memory board from the static dissipative bag.
  2. Locate the alignment slot and align it to the empty board receptacle.
  3. Grasp the primary memory board by the edges and push gently to replace it.
      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.
  4. Press the primary memory board down to latch the arms.

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