Carte wifi Hercules HWGPCI-54LB

Le ping n’a pas marché, voici ce qu’il me donne :

DebianArck:/home/jorrit# ping 209.85.129.147
connect: Network is unreachable

un ping a la livebox :

DebianArck:/home/jorrit# ping 192.168.1.1
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
From 192.168.1.18 icmp_seq=1 Destination Host Unreachable
From 192.168.1.18 icmp_seq=2 Destination Host Unreachable
From 192.168.1.18 icmp_seq=3 Destination Host Unreachable
From 192.168.1.18 icmp_seq=4 Destination Host Unreachable
From 192.168.1.18 icmp_seq=5 Destination Host Unreachable
From 192.168.1.18 icmp_seq=6 Destination Host Unreachable

--- 192.168.1.1 ping statistics ---
7 packets transmitted, 0 received, +6 errors, 100% packet loss, time 6017ms
, pipe 3

J’ai alors essayé de configurer wlan0 a la main :

DebianArck:/home/jorrit# iwconfig wlan0 essid "WANADOO-2EB8" mode "managed"
Error for wireless request "Set Mode" (8B06) :
    SET failed on device wlan0 ; Device or resource busy.

==> D’ou vient ce message d’erreur?

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