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  1. It is recommended to do this over a fast internet connection, e.g., the NPS wired network.  Using wireless if fine, but may take more time.

  2. From a terminal window, update Ubuntu package lists from repositories and the upgrade the system packages.  This will likely download a significant amount of data depending on how long ago the system was updated.  This will take some time.

    sudo apt update && sudo apt dist-upgrade
  3. You may get a prompt to configure the grub bootloader.  The screens are shown below.
    1. Select the first option, which should be "/dev/sda" by placing the cursor there and pressing the space bar
    2. Press Tab to got to OK
    3. Press Enter to continue

  4. Restart the computer

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