Probleme de wifi sur ubuntu

Bonsoir a tous,
Svp j'ai besoin d'aide j'essaye de me connecter depuis quelques temps, j'ai beau tout essayer j'y arrive pas voici quelques commandes et leurs retours en esperant qu'elles puissent vous aider pour me sortir de la !!!!


Les commandes donnent:


mehdi@ROOT-laptop:~$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=8.04
DISTRIB_CODENAME=hardy
DISTRIB_DESCRIPTION="Ubuntu 8.04.1"




mehdi@ROOT-laptop:~$ lsusb
Bus 007 Device 001: ID 0000:0000
Bus 006 Device 002: ID 05a9:2640 OmniVision Technologies, Inc.
Bus 006 Device 001: ID 0000:0000
Bus 005 Device 005: ID 0a5c:4503 Broadcom Corp.
Bus 005 Device 004: ID 0a5c:4502 Broadcom Corp.
Bus 005 Device 003: ID 413c:8126 Dell Computer Corp.
Bus 005 Device 002: ID 0a5c:4500 Broadcom Corp.
Bus 005 Device 001: ID 0000:0000
Bus 004 Device 001: ID 0000:0000
Bus 003 Device 001: ID 0000:0000
Bus 002 Device 001: ID 0000:0000
Bus 001 Device 001: ID 0000:0000




mehdi@ROOT-laptop:~$ lspci
00:00.0 Host bridge: Intel Corporation Mobile PM965/GM965/GL960 Memory Controller Hub (rev 0c)
00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 0c)
00:02.1 Display controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 0c)
00:1a.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #4 (rev 02)
00:1a.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #5 (rev 02)
00:1a.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #2 (rev 02)
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 02)
00:1c.1 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 2 (rev 02)
00:1c.4 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 5 (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev f2)
00:1f.0 ISA bridge: Intel Corporation 82801HEM (ICH8M) LPC Interface Controller (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) IDE Controller (rev 02)
00:1f.2 IDE interface: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) SATA IDE Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 02)
02:09.0 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller (rev 05)
02:09.1 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 22)
02:09.2 System peripheral: Ricoh Co Ltd R5C592 Memory Stick Bus Host Adapter(rev 12)
02:09.3 System peripheral: Ricoh Co Ltd xD-Picture Card Controller (rev 12)
09:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8040 PCI-E Fast Ethernet Controller (rev 12)
0b:00.0 Network controller: Broadcom Corporation BCM4310 USB Controller (rev01)





mehdi@ROOT-laptop:~$ sudo lshw -C network

*-network
description: Ethernet interface
product: 88E8040 PCI-E Fast Ethernet Controller
vendor: Marvell Technology Group Ltd.
physical id: 0
bus info: pci@0000:09:00.0
logical name: eth0
version: 12
serial: 00:1d:09:63:00:f6
size: 100MB/s
capacity: 100MB/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physicaltp 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=sky2 driverversion=1.20 duplex=full firmware=N/A ip=192.168.1.2 latency=0 link=yes module=sky2 multicast=yes port=twisted pair speed=100MB/s
*-network UNCLAIMED
description: Network controller
product: BCM4310 USB Controller
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:0b:00.0
version: 01
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: autonegotiation=on broadcast=yes driver=sky2 driverversion=1.20 duplex=full firmware=N/A ip=192.168.1.2 latency=0 link=yes module=sky2 multicast=yes port=twisted pair speed=100MB/s
*-network UNCLAIMED
description: Network controller
product: BCM4310 USB Controller
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:0b:00.0
version: 01
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: latency=0





mehdi@ROOT-laptop:~$ lsmod
Module Size Used by
ipv6 267780 12
af_packet 23812 2
i915 32512 2
drm 82452 3 i915
rfcomm 41744 2
l2cap 25728 13 rfcomm
ppdev 10372 0
acpi_cpufreq 10796 2
cpufreq_userspace 5284 0
cpufreq_ondemand 9740 1
cpufreq_stats 7104 0
freq_table 5536 3 acpi_cpufreq,cpufreq_ondemand,cpufreq_stats
cpufreq_powersave 2688 0
cpufreq_conservative 8712 0
sbs 15112 0
sbshc 7680 1 sbs
dock 11280 0
container 5632 0
iptable_filter 3840 0
ip_tables 14820 1 iptable_filter
x_tables 16132 1 ip_tables
aes_i586 33536 0
dm_crypt 15364 0
dm_mod 62660 1 dm_crypt
sbp2 24072 0
parport_pc 36260 0
lp 12324 0
parport 37832 3 ppdev,parport_pc,lp
joydev 13120 0
hci_usb 16540 2
uvcvideo 58116 0
bluetooth 61156 7 rfcomm,l2cap,hci_usb
compat_ioctl32 2304 1 uvcvideo
videodev 29440 1 uvcvideo
v4l1_compat 15492 2 uvcvideo,videodev
v4l2_common 18304 2 uvcvideo,videodev
snd_hda_intel 344728 2
snd_pcm_oss 42144 0
snd_mixer_oss 17920 1 snd_pcm_oss
snd_pcm 78596 2 snd_hda_intel,snd_pcm_oss
snd_page_alloc 11400 2 snd_hda_intel,snd_pcm
snd_hwdep 10500 1 snd_hda_intel
sky2 47492 0
ieee80211_crypt 7040 0
snd_seq_dummy 4868 0
snd_seq_oss 35584 0
snd_seq_midi 9376 0
snd_rawmidi 25760 1 snd_seq_midi
snd_seq_midi_event 8320 2 snd_seq_oss,snd_seq_midi
snd_seq 54224 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
sdhci 19076 0
video 19856 0
output 4736 1 video
snd_timer 24836 2 snd_pcm,snd_seq
snd_seq_device 9612 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
serio_raw 7940 0
mmc_core 51460 1 sdhci
wmi_acer 9644 0
snd 56996 15 snd_hda_intel,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_hwdep,snd_seq_dummy,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
intel_agp 25492 1
battery 14212 0
button 9232 0
agpgart 34760 3 drm,intel_agp
ac 6916 0
soundcore 8800 1 snd
evdev 13056 8
shpchp 34452 0
pci_hotplug 30880 1 shpchp
iTCO_wdt 13092 0
iTCO_vendor_support 4868 1 iTCO_wdt
dcdbas 9504 0
pcspkr 4224 0
psmouse 40336 0
ext3 136712 1
jbd 48404 1 ext3
mbcache 9600 1 ext3
usbhid 31872 0
hid 38784 1 usbhid
sg 36880 0
sd_mod 30720 2
sr_mod 17956 0
cdrom 37408 1 sr_mod
ata_piix 19588 1
pata_acpi 8320 0
ata_generic 8324 0
ohci1394 33584 0
ieee1394 93752 2 sbp2,ohci1394
libata 159344 3 ata_piix,pata_acpi,ata_generic
scsi_mod 151436 5 sbp2,sg,sd_mod,sr_mod,libata
ehci_hcd 37900 0
uhci_hcd 27024 0
usbcore 146028 6 hci_usb,uvcvideo,usbhid,ehci_hcd,uhci_hcd
thermal 16796 0
processor 36872 4 acpi_cpufreq,thermal
fan 5636 0
fbcon 42912 0
tileblit 3456 1 fbcon
font 9472 1 fbcon
bitblit 6784 1 fbcon
softcursor 3072 1 bitblit
fuse 50708 1




mehdi@ROOT-laptop:~$ iwconfig
lo no wireless extensions.

eth0 no wireless extensions.





mehdi@ROOT-laptop:~$ ifconfig
eth0 Link encap:Ethernet HWaddr 00:1d:09:63:00:f6
inet adr:192.168.1.2 Bcast:192.168.1.255 Masque:255.255.255.0
adr inet6: fe80::21d:9ff:fe63:f6/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Packets reçus:1762 erreurs:0 :0 overruns:0 frame:0
TX packets:1569 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:1724796 (1.6 MB) Octets transmis:200613 (195.9 KB)
Interruption:16

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
Packets reçus:32 erreurs:0 :0 overruns:0 frame:0
TX packets:32 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:0
Octets reçus:1600 (1.5 KB) Octets transmis:1600 (1.5 KB)





mehdi@ROOT-laptop:~$ iwlist scan
lo Interface doesn't support scanning.

eth0 Interface doesn't support scanning.




mehdi@ROOT-laptop:~$ uname -r -m
2.6.24-19-generic i686





mehdi@ROOT-laptop:~$ cat /etc/network/interfaces
auto lo
iface lo inet loopback




mehdi@ROOT-laptop:~$ nm-tool
NetworkManager Tool

State: connected

- Device: eth0 ----------------------------------------------------------------
NM Path: /org/freedesktop/NetworkManager/Devices/eth0
Type: Wired
Driver: sky2
Active: yes
HW Address: 00:1D:09:63:00:F6

Capabilities:
Supported: yes
Carrier Detect: yes
Speed: 100 Mb/s

Wired Settings
Hardware Link: yes

IP Settings:
IP Address: 192.168.1.2
Subnet Mask: 255.255.255.0
Broadcast: 192.168.1.255
Gateway: 192.168.1.1
Primary DNS: 192.168.1.1
Secondary DNS: 0.0.0.0