Sprint Nextel S720 - Manual (Page 71)

Section 2D: Troubleshooting Tips 65
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 Card 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 card should have three entries:
Ⅲ The card should appear under Multifunction adapters as
Sprint Merlin S720 (EV-DO PC Card) Modem Parent.
Ⅲ The card should appear under Modems as Sprint (EV-DO
PC Card) Modem.
Ⅲ The card should appear under Network adapters as
Sprint (EV-DO PC Card) Modem Adapter.
If the listings above do not appear, identify the listing for the
Sprint Mobile Broadband Card by ejecting the card. This
causes the driver listing for the card to disappear from the
list. Reinsert the card again to cause the driver listing to
reappear. You can identify the entries for the Sprint Mobile
Broadband Card by observing which entries are affected
when you eject and reinsert the card.
7. Right-click Sprint (EV-DO PC Card) Modem Parent.
8. Select Uninstall from the pop-up menu.
9. Click OK to confirm the uninstall.
The Sprint Mobile Broadband Card listings should be removed.