Disable Power Management - Windows®

Note If your Windows operating system is unknown, refer to Determining Software Version - Windows.

  1. Start Device Manager.

    • Windows 10
      • Right-click Start then click Device Manager.
    • Windows 8
      • Press the Windows key+X ( Windows key icon+X ) then select Device Manager.
    • Windows 7
      • Click Start > Control Panel > System and Security > Device Manager (under System).
    • Windows Vista
      • Click Start > (Settings) Control Panel > (System and Maintenance) > Device Manager.
        Note If prompted, click Continue.
      Windows 2000/XP
      • Click Start > (Settings) Control Panel > (Performance and Maintenance) > System > Hardware > Device Manager.
  2. Expand Universal Serial Bus controllers and right-click the USB Root Hub for the data card (e.g. Novatel, Pantech, etc.) then click Properties.
    Right-click USB Root Hub then select Properties
  3. From the 'Power Management' tab, ensure "Allow the computer to turn off this device to save power" is not checked then click OK.
    Uncheck Allow the computer to turn off this device to save power then click OK
  4. Restart the computer.
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