Troubleshooting - Edimax EW-7722UTn V2 User Manual

4 Troubleshooting & Glossary
This chapter provides solutions to problems usually encountered during the
installation and operation of the adapter.
If you encounter any problem when you‟re using this wireless network card, don‟t
panic! Before you call your dealer of purchase for help, please check this
troubleshooting table, the solution of your problem could be very simple, and you can
solve the problem by yourself!
Scenario
I can‟t find any wireless
access point / wireless
device in „Site Survey‟
function.
Nothing happens when I
click „Open Config Utility‟
I can not establish
connection with a certain
wireless access point
Solution
1. Click „Rescan‟ for few more times and see if you
can find any wireless access point or wireless
device.
2. Please move closer to any known wireless access
point.
3. „Ad hoc‟ function must be enabled for the wireless
device you wish to establish a direct wireless link.
4. Please adjust the position of network card (you
may have to move your computer if you‟re using a
notebook computer) and click „Rescan‟ button for
few more times. If you can find the wireless
access point or wireless device you want to
connect by doing this, try to move closer to the
place where the wireless access point or wireless
device is located.
1. Please make sure the wireless network card is
inserted into your computer‟s USB port.
2. Reboot the computer and try again.
3. Remove the card and insert it into another USB
port.
4. Remove the driver and re-install.
5. Contact the dealer of purchase for help.
1. Click „Add to Profile‟ for few more times.
2. If the SSID of access point you wish to connect is
hidden (nothing displayed in „SSID‟ field in „Site
Survey‟ function), you have to input correct SSID
of the access point you wish to connect. Please
contact the owner of access point to ask for
correct SSID.
3. You have to input correct passphrase / security
key to connect an access point with encryption.
Please contact the owner of access point to ask
for correct passphrase / security key.
4. The access point you wish to connect only allows
network cards with specific MAC address to
establish connection. Please go to „Status‟ menu
and write the value of „MAC Address‟ down, then
present this value to the owner of access point so
43