AirCard 555 Network Card User Guide

Table 9-1: Problem Causes and Suggestions

Problem

Possible Causes

 

Suggestions

 

 

 

 

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

 

 

Windows 2000: Click Start > Settings

connection, the

 

 

> Network and Dial-Up Connections >

connection gets

 

 

 

 

Express Network (1xRTT).

dropped as soon as

 

 

 

2.

In the window that appears, click

it is established

 

(when you click

 

 

Properties.

Connect, the status

 

3.

Click the Networking tab.

goes from

 

 

 

 

"Authenticating" and

 

4.

Click Settings.

"Authenticated" back

 

5.

Ensure that Enable LCP Extensions

to "Ready to

 

 

 

and Negotiate multi-link for single link

Connect").

 

 

 

 

 

connections are not selected.

 

 

6.

Click OK.

 

 

 

 

 

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.

 

 

 

 

 

 

 

102

 

 

 

 

2130142

 

 

 

Page 102
Image 102
Sierra Wireless 555 manual Reinstalling the AirCard Driver, Windows 95/98, Locating the Existing Driver