To uninstall the existing driver:

1.Open the Control Panel by selecting Start > Control Panel.

2.If “Pick a Category” is displayed, select Switch to Classic View.

3.Double-click the System icon.

4.Click the Hardware tab.

5.Click the Device Manager button.

6.Locate the Sprint Mobile Broadband USB Modem entries by using the “+” signs to expand the listings. (For example, to see all the installed modems, click the “+” sign to the left of Modems.) The device should have these driver entries listed in Device Manager:

￿The device driver should appear under Modems as Novatel Wireless Expedite EV-DO Modem.

￿The device should appear under Network adapters as Novatel Wireless Expedite EV-DO Network Adapter (if Network Adapter (NDIS) is enabled).

￿The device should appear under Ports (COM & LPT) as Novatel Wireless Expedite EV-DO Status Port (COM#).

If the listings above do not appear, identify the listing for the Sprint Mobile Broadband USB Modem by unplugging the USB connector. This causes the driver listing for the USB modem to disappear from the list. Reinsert the USB modem again to cause the driver listing to reappear. You can identify the entries for the Sprint Mobile Broadband USB Modem by observing which entries are affected when you remove and replace the USB connector, or by disabling Network Adapter (NDIS). (See “Novatel Wireless Network Adapter (NDIS)” on page 51.)

7.Right-clickNovatel Wireless Expedite EV-DO Modem.

8.Select Uninstall from the pop-up menu.

9.Click OK to confirm the uninstall.