Edimax Technology EW-7722UTn - Manual (Page 68)

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4-2 Troubleshooting
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 Solution
I can’t find
any wireless
access point
/ wireless
device in
‘Site Survey’
function.
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.
Nothing
happens
when I click
‘Launch
Config Utility’
1. Please make sure the wireless network card is inserted into your
computer’s USB port. If the Edimax configuration utility’s icon is
black, the network card is not detected by your computer.
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.
I can not
establish
connection
with a certain
wireless
access point
1. Click ‘Connect’ 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 security key to connect an access point
with encryption. Please contact the owner of access point to ask
for correct security key.
4. The access point you wish to connect only allows network cards
with specific MAC address to establish connection. Please go to
‘About’ tab and write the value of ‘Phy_Addess’ down, then
present this value to the owner of access point so he / she can
add the MAC address of your network card to his / her access
point’s list.
The network 1. Move closer to the place where access point is located.