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Troubleshoot when you try to resolve resource conflicts with your Novatel Wireless Ovation??? U720 on Window XP

Last Updated: Nov 18, 2013

The Sprint Mobile Broadband USB Modem requires these system resources:

  • 1 IRQ
  • 4096 bytes of I/O space
  • Two available communications ports (one modem, one serial)

If these resources are not available to the USB modem, you have a resource conflict. If another PC device is installed, you may be able to free the necessary resources simply by ejecting the other device. Otherwise, you may need to disable another device (such as an internal modem, infrared device, or network device) to resolve the conflict.

To disable an internal modem, infrared device, or network card, perform the following steps:

  1. Close all Windows programs and open the Control Panel by selecting Start, then Settings, and then select Control Panel.
  2. Double-click the System icon.
  3. Click the Hardware tab.
  4. Click the Device Manager button.
  5. Locate the device that you want to disable:
    • If you want to disable an internal modem, expand the Modem tree by clicking the plus (+) sign to its left.
    • If you want to disable an infrared device, expand the Infrared Devices tree by clicking the plus (+) sign to its left.
    • If you want to disable a network card, expand the Network Adapters tree by clicking the plus (+) sign to its left.
  6. Right-click the device you want to disable, choose Disable from the pop-up menu that appears, and then click OK.

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