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Dell EMC PowerEdge R740xd2 Installation and Service Manual

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Installing a memory module

Prerequisites

  1. Follow the safety guidelines listed in Safety instructions.
  2. Power off the system and all attached peripherals.
  3. Disconnect the system from the electrical outlet, and disconnect the peripherals.
  4. Ensure that all internal cables are routed correctly and connected, and no tools or extra parts are left inside the system.
  5. Open the drive bays, remove all drives, and then close the drive bays.
  6. Remove the power supply units.
  7. Remove the system from the rack and place it on an ESD work bench. For more information, see the Rail Installation Guide available at https://www.dell.com/poweredgemanuals.
  8. Remove the system cover.
  9. Remove the air shroud.
Locate the appropriate memory module socket.
NOTE:The procedure to remove a memory module blank is similar to the procedure to remove a memory module. Retain the removed memory module blank for future use.

Steps

  1. Open the ejectors on the memory module socket outward to allow the memory module to be inserted into the socket.
  2. Align the edge connector of the memory module with the alignment key of the memory module socket, and insert the memory module in the socket.
    CAUTION: Handle each memory module only by the card edges, ensuring not to touch the middle of the memory module or metallic contacts.
    NOTE:The memory module socket has an alignment notch that enables you to install the memory module in the socket in only one orientation.
  3. Press the memory module with your thumbs until the ejectors firmly click into place.
    CAUTION: To prevent damage to the memory module or the memory module socket during installation, do not bend or flex the memory module. You must insert both ends of the memory module simultaneously.
    CAUTION:Do not apply pressure at the center of the memory module; apply pressure at both ends of the memory module evenly.
    Figure 1. Installing a memory module
    This image shows how to install a memory module.

Next steps

  1. Install the air shroud.
  2. Install the system cover.
  3. Place the system into the rack. For more information, see the Rail Installation Guide available at https://www.dell.com/poweredgemanuals.
  4. Open the drive bays, install all drives, and then close the drive bays.
  5. Install the power supply units.
  6. Follow the procedure listed in After working inside your system.
  7. To verify if the memory module has been installed properly, press F2 and navigate to System Setup Main Menu > System BIOS > Memory Settings. In the Memory Settings screen, the System Memory Size must reflect the updated capacity of the installed memory.
  8. If the value is incorrect, one or more of the memory modules may not be installed properly. Ensure that the memory module is firmly seated in the memory module socket.
  9. Run the system memory test in system diagnostics.

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