Hi
i got usb adapter WDL-U700 dual band 802.11n wireless USB adapter
it doesnt seem detect 5ghz wifi i already checked/change configuration to multimedia/gamig enviroment, channel mode etc
Press [Windows Key] + [X] and select Command Prompt (Admin).
At the command prompt type: netsh winsock reset catalog and press [Enter].
Next type: netsh int ip reset reset.log and press [Enter].
Restart your PC for the changes to take effect.