Allied Telesis AT-WNU300N - Manual (Page 18)

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AT-WNU300N - IEEE802.11b/g/n 2T2R Wireless Fast USB adapter - Installation Guide
Chapter 3: Troubleshooting
I Cannot Build Wireless Connection
• Please check the following:
• Is the wireless USB adapter plugged in to USB port correctly?
• Are the driver and the utility installed correctly?
• Is the wireless AP providing service which covers the wireless USB
adapter?
• Is the encrypted key entered correctly?
• Is the wireless communication specification of the AP compliable with the
wireless USB adapter?
The Hardware Status Is Incorrect
• If encountering the following incorrect situations,
• The Device Manager shows an unknown device with [ ! ] or [ ? ] icons in
Network adapters.
• The Device Manager does not show the device in Network adapters.
• The Device Manager shows more then one “802.11n Wireless LAN Card”
items in Network adapters.
• please perform the following steps:
• Right click on the device item and select “Delete”.
• Press “OK” when the confirmation dialog box shows up.
• Re-install the driver and the utility according to Chapter2.
In Device Manager, the Device Shows a Cross.
• A cross means the device is temporary disabled. Please perform the
following steps:
• In Device Manager, right click on the device item.
• Select “Enable” to start up the device.