
AirCard 555 Network Card User Guide
Table 9-1: Problem Causes and Suggestions
Problem | Possible Causes |
| Suggestions |
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Windows 2000 and XP: | The connection properties are not | 1. | Windows XP: Click Start > Connect To |
When attempting an | optimal. |
| > Express Network (1xRTT). |
Express Network |
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| Windows 2000: Click Start > Settings |
connection, the |
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| > Network and |
connection gets |
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| |
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| Express Network (1xRTT). | |
dropped as soon as |
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| |
| 2. | In the window that appears, click | |
it is established |
| ||
(when you click |
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| Properties. |
Connect, the status |
| 3. | Click the Networking tab. |
goes from |
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| |
"Authenticating" and |
| 4. | Click Settings. |
"Authenticated" back |
| 5. | Ensure that Enable LCP Extensions |
to "Ready to |
| ||
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| and Negotiate | |
Connect"). |
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| |
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| connections are not selected. |
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| 6. | Click OK. |
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| Reinstalling the AirCard Driver |
| There is an AirCard driver for each supported Windows |
Note: You must have the | |
AirCard installation CD to | operating system. Unless the appropriate driver for your |
complete this procedure. | version of Windows is installed, you will not be able to |
| establish a network connection with the AirCard. This section |
| |
| provides instructions on verifying that you have the correct |
| AirCard driver installed. |
| Windows 95/98 |
To verify that the correct driver is installed:
•Locate the existing driver
•Replace the driver with the Windows 95 or Windows 98 driver from the AirCard installation CD.
Locating the Existing Driver
1.Close all Windows programs and open the Control Panel by selecting Start > Settings > Contol Panel.
2.Double click the System icon.
3.Click the Device Manager tab.
4.Locate the AirCard entries by using the “+” signs to expand the listings. (I.e. to see all the installed modems, click the “+” sign to the left of Modems.) The AirCard should have 3 entries:
1The AirCard should display under Multifunction adapters as Sierra Wireless AirCard 555 PC Card Parent.
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