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HP 620 Notebook PC - Removing and Replacing the Memory Module

Introduction
This document is provided to assist in removing and replacing the memory module for the HP 620 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
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 memory module 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, PC3-10600, shared DDR3-1333 MHz SDRAM Small Outline Dual In-Line Memory Module (SODIMM)
598856-001 (Modified)
Yes
1GB, PC3-10600, shared DDR3-1333 MHz SDRAM Small Outline Dual In-Line Memory Module (SODIMM)
598859-001 (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 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 module, 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 Memory module from the menu on the upper left hand side of the screen.
Click here to view the memory module removal video (right-click on the link to open in a new window/tab).
Memory module 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 memory module to the spring tension position.
      note:
    The primary and expansion memory slots are both located under the bottom door. The primary memory slot is located on the bottom and the expansion memory slot is located on top. If an expansion memory module is installed, it must be removed before the primary memory module can be removed.
  3. Grasp the memory module by the edges and pull gently to remove it.
      caution:
    When handling a memory board, use care to prevent touching the memory chips on the module. Touching the memory chips could damage or destroy the memory.
  4. Place the memory module in a static dissipative bag.
Memory module replacement
  1. Grasp the memory module by its edges and remove the memory module from the static dissipative bag.
      caution:
    When handling a memory board, use care to prevent touching the memory chips on the module. Touching the memory chips could damage or destroy the memory.
  2. Locate the alignment notch on the memory module and align it with the memory module connector on the system board.
  3. Gently push the memory module into the memory module connector until it is secure.
  4. Push the exposed edge of the memory module down until you hear the click of the two retention arms.

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