Encore fait un wagon d’essai hier soir mais sans plus de succès. 
Ce que je ne comprends vraiment pas, c’est que j’ai réussi à me connecter avant hier pendant quelques temps et que je n’y arrive plus ???
Et pourtant, tout a l’air de fonctionner :
image jointe avec Kwifimanager, ici c’est dans le rouge mais souvent, la bande passe à 54, dans le vert. Ce n’est pas pour ça que je peux me “brancher”. 
Voilà ce que ça donne ce matin :
[code]ricardo@Dell-sid:~$ sudo iwconfig
[sudo] password for ricardo:
lo no wireless extensions.
eth0 no wireless extensions.
wmaster0 no wireless extensions.
wlan0 IEEE 802.11abgn ESSID:"ricardowifi"
Mode:Managed Frequency:2.412 GHz Access Point: AA:C3:F1:83:B8:D0
Bit Rate=1 Mb/s Tx-Power=15 dBm
Retry min limit:7 RTS thr:off Fragment thr=2352 B
Encryption key:D2A6-97EC-EF Security mode:open
Power Management:off
Link Quality=100/100 Signal level:-8 dBm Noise level=-81 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
[/code]
[code]ricardo@Dell-sid:~$ sudo ifconfig
eth0 Link encap:Ethernet HWaddr 00:22:19:df:1a:5d
inet adr:192.168.0.10 Bcast:192.168.0.255 Masque:255.255.255.0
adr inet6: fe80::222:19ff:fedf:1a5d/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2141 errors:0 dropped:0 overruns:0 frame:0
TX packets:2173 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
RX bytes:1774996 (1.6 MiB) TX bytes:357677 (349.2 KiB)
Interruption:17
lo Link encap:Boucle locale
inet adr:127.0.0.1 Masque:255.0.0.0
adr inet6: ::1/128 Scope:Hôte
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:58 errors:0 dropped:0 overruns:0 frame:0
TX packets:58 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:0
RX bytes:4020 (3.9 KiB) TX bytes:4020 (3.9 KiB)
wlan0 Link encap:Ethernet HWaddr 00:22:fb:17:d2:48
adr inet6: fe80::222:fbff:fe17:d248/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:36 errors:0 dropped:0 overruns:0 frame:0
TX packets:55 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
RX bytes:6556 (6.4 KiB) TX bytes:11864 (11.5 KiB)
wlan0:avahi Link encap:Ethernet HWaddr 00:22:fb:17:d2:48
inet adr:169.254.8.14 Bcast:169.254.255.255 Masque:255.255.0.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
wmaster0 Link encap:UNSPEC HWaddr 00-22-FB-17-D2-48-00-00-00-00-00-00-00-00-00-00
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
[/code]
[code]ricardo@Dell-sid:~$ sudo iwlist scan
lo Interface doesn’t support scanning.
eth0 Interface doesn’t support scanning.
wmaster0 Interface doesn’t support scanning.
wlan0 Scan completed :
Cell 01 - Address: AA:C3:F1:83:B8:D0
ESSID:"ricardowifi"
Mode:Master
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=100/100 Signal level:-10 dBm Noise level=-80 dBm
Encryption key:on
IE: Unknown: 000B7269636172646F77696669
IE: Unknown: 010882848B961224486C
IE: Unknown: 030101
IE: Unknown: 2A0104
IE: Unknown: 32040C183060
IE: Unknown: 2D1A6E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: 3D1601050400000000000000000000000000000000000000
IE: Unknown: 3E0100
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: 7F0101
IE: Unknown: DD07000C4300000000
IE: Unknown: DD1E00904C336E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: DD1A00904C3401050400000000000000000000000000000000000000
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
18 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 12 Mb/s
24 Mb/s; 48 Mb/s
Extra:tsf=000000094db49c7c
Extra: Last beacon: 36ms ago
Cell 02 - Address: AA:C3:F1:83:B8:D3
ESSID:"freephonie"
Mode:Master
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=100/100 Signal level:-5 dBm Noise level=-127 dBm
Encryption key:on
IE: Unknown: 000A6672656570686F6E6965
IE: Unknown: 010882848B961224486C
IE: Unknown: 030101
IE: Unknown: 2A0104
IE: Unknown: 32040C183060
IE: Unknown: 2D1A6E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: 3D1601050400000000000000000000000000000000000000
IE: Unknown: 3E0100
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : TKIP
Authentication Suites (1) : 802.1x
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: 7F0101
IE: Unknown: DD07000C4300000000
IE: Unknown: DD1E00904C336E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: DD1A00904C3401050400000000000000000000000000000000000000
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
18 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 12 Mb/s
24 Mb/s; 48 Mb/s
Extra:tsf=000000094d40682a
Extra: Last beacon: 7652ms ago
[/code]