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Remove and Replace the Memory Module on HP ProBook 640 and 645 G2 Notebooks

This document applies to HP ProBook 640 and 645 G2 notebooks.
HP ProBook 64x G2 notebook
Before you begin
  • Have available a small, Phillips-head (P1) screwdriver and small, flat-bladed alignment/pry tool.
  • Turn off the computer. Disconnect the Ethernet or modem cable. Disconnect the power cord.
  • Transfer the computer to a clear, flat, stable work surface over a non-carpeted floor.
  • HP strongly recommends the use of an anti-static wrist strap and a conductive foam pad when working on the computer.
  warning:
Make sure the computer is disconnected from power before starting. Before starting, power off the computer and wait for components to cool before starting these procedures.
  caution:
This product contains components that can be damaged by electrostatic discharge (ESD). To reduce the chance of ESD damage, work over a noncarpeted floor, use a static dissipative work surface (such as a conductive foam pad), and wear an ESD wrist strap connected to a grounded surface.
  caution:
Procedures in this document are provided by HP for qualified service agents and as a courtesy to its customers. Removing, replacing, and/or servicing internal components increases the risk of damaging the computer which might not be covered under warranty. Understand the risks and refer to the product's warranty before attempting to service the computer.
Video overview
  note:
The video and graphics in this article depict a specific configuration of the notebook. These same removal and replacement procedures apply to all configurations of HP ProBook 640 and 645 G2 Notebooks. If there are two memory modules, repeat the steps to remove the second module.
Removing the memory module
Use the steps in this section to remove the memory module.
Step 1
Remove the bottom cover.
The bottom cover
Step 2
Remove the battery.
The battery
Step 3
Push both arms outward at the same time to release the memory module to the spring tension position.
  caution:
When handling a memory module, use care to prevent touching the memory chips on the board. Touching the memory chips could damage or destroy the memory.
Pushing both arms outward to release the module
Step 4
Grasp the memory module by the edges and pull gently to remove it.
Grasping and removing the memory module
Step 5
Place the memory module in a static dissipative bag.
Placing  the memory module in a static dissipative bag
Replacing the memory module
Use the steps in this section to replace the memory module.
Step 1
Remove the memory from the static dissipative bag.
Removing the memory module from the static dissipative bag
Step 2
Align the notch in the memory module with the key in the memory module slot on the system board.
Aligning the notch in the module to the key in the slot
Step 3
At an angle, gently insert the memory module into its slot on the system board.
Inserting the memory module into its slot
Step 4
Press the memory module down to latch the arms.
Pressing down on the memory module
Step 5
Replace the battery.
The battery
Step 6
Replace the bottom cover.
The bottom cover

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