HAOLIYUAN ELECTRONIC CO. LTD U0639 Manuale Utente

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CHAPTER 5: 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 
Open Config 
Utility
’ 
 
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. 
I can not establish 
connection with a 
certain wireless 
access point 
 
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.