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Dell Precision Tower 3420 Owner's Manual

Installing the memory module

  1. Align the notch on the memory module with the tab on the memory module connector.
  2. Insert the memory module into the memory module socket.
  3. Press the memory module until the memory module retention tabs click into place.
  4. Install the:
    1. optical drive
    2. hard drive
    3. cover
  5. Follow the procedure in After Working Inside Your Computer.

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