AirCard USB Modem User Guide

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Modem is not detected after AirCard Watcher

installation completes (Windows)

You successfully complete the automatic installation process, but Watcher does

not detect the AirCard USB Modem:

1. Click

Start, and then click Control Panel.

2. Double-click

TRU-Install.

3. When you are prompted to switch to modem mode, click

OK.

4. Wait for Watcher to detect the AirCard USB Modem.

5. If the AirCard USB Modem still is not detected, connect to the Internet using

another method and go to www.sierrawireless.com/support for assistance.

Windows installer fails

When you try to install or uninstall Watcher, the message Windows Installer is not

accessible

(Error code: 1601) appears.

To fix Error 1601, first see if another installation process is running.

1. Press

Ctrl + Alt + Del and select Task Manager.

2. Go to the

Processes tab.

3. Check the running processes for any of these names:

· setup.exe

· isetup.exe

· ikernel.exe

· msiexec.exe

· idriver.exe

· IsUninst.exe

· Uninst.exe

If any of these processes are running on the system:

1. Select each process.

2. Click

End Process.

3. Try to run the Watcher installation again.

If the installation is not successful, connect to the Internet using another method

and check Sierra Wireless Knowledge Base articles at sierrawireless.com.