aadfij

leo@leo-Lenovo-G580:~$ sudo iwlist scan
[sudo] password for leo:
wlan0     No scan results

lo        Interface doesn't support scanning.

eth1      Interface doesn't support scanning.

leo@leo-Lenovo-G580:~$ iwconfig
wlan0     IEEE 802.11bgn  ESSID:off/any
          Mode:Managed  Access Point: Not-Associated   Tx-Power=19 dBm
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:off

lo        no wireless extensions.

eth1      no wireless extensions.