Ho inserito tutti i comandi che mi hai suggerito correttamente, ho disinstallato wicd, ma quando ho digitato sudo dhclient wlan 1 il risultato è:
ps3ita@ps3ita:~$ sudo dhclient wlan1
There is already a pid file /var/run/dhclient.pid with pid 1965
killed old client process, removed PID file
Internet Systems Consortium DHCP Client V3.1.1
Copyright 2004-2008 Internet Systems Consortium.
All rights reserved.
For info, please visit
http://www.isc.org/sw/dhcp/Listening on LPF/wlan1/00:1f:a7:93:2a:b4
Sending on LPF/wlan1/00:1f:a7:93:2a:b4
Sending on Socket/fallback
DHCPDISCOVER on wlan1 to 255.255.255.255 port 67 interval 3
DHCPDISCOVER on wlan1 to 255.255.255.255 port 67 interval 4
DHCPDISCOVER on wlan1 to 255.255.255.255 port 67 interval 7
DHCPDISCOVER on wlan1 to 255.255.255.255 port 67 interval 7
DHCPDISCOVER on wlan1 to 255.255.255.255 port 67 interval 10
DHCPDISCOVER on wlan1 to 255.255.255.255 port 67 interval 8
DHCPDISCOVER on wlan1 to 255.255.255.255 port 67 interval 10
DHCPDISCOVER on wlan1 to 255.255.255.255 port 67 interval 12
No DHCPOFFERS received.
No working leases in persistent database - sleeping
Poi apro shiretoko o opera ma mi da errore di connessione anche refreshando piu volte.
Come posso fare?