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Myiagros
January 7th, 2010, 05:00 PM
I've run into this problem a couple times now since switching to 9.10 and it seems to happen after some updates.

I'm running a Dell Inspiron 1501 and had no issues using the b43-fwcutter to get the wireless working. I have been using wicd for my network manager.

Yesterday before leaving from work I installed some system updates and shut down. This morning when i came in I booted up and when logging in wicd was asking for authorization to use the network adapters. After putting in my password everything started up but wicd would not start. Under Network Tools I checked the adapters and nothing was up, ifconfig confirmed this.

After restarting again wicd again asked for authorization, still no change to the adapters so I removed wicd. Now the b43-fwcutter driver is not being shown as activated and I have no way to connect to the internet with my laptop, just my desktop, so I am unable to use the package manager to reinstall it as well as wicd.

As I stated earlier this has happened a few times, at least 2-3, and I've had to do a complete reinstall of Ubuntu and all my programs which is nothing short of a pain.

Is there any solution to this problem or will I just have to do another reinstall and spend a few hours downloading everything again?

pedro_orange
January 7th, 2010, 05:20 PM
Run:


lshw -C network

See if your wireless device is bound to a driver. Ensure it's loaded with:


lsmod

You can also check:


iwconfig

To see if the kernel can see it.
Your card make / model would be helpful from a troubleshooting / Googling point of view.

Myiagros
January 7th, 2010, 07:16 PM
lshw -C network


*-network
description: Network controller
product: BCM4311 802.11b/g WLAN
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:05:00.0
version: 01
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=b43-pci-bridge latency=0
resources: irq:18 memory:c0200000-c0203fff
*-network
description: Ethernet interface
product: BCM4401-B0 100Base-TX
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:08:00.0
logical name: eth0
version: 02
serial: 00:1c:23:92:39:77
size: 100MB/s
capacity: 100MB/s
width: 32 bits
clock: 33MHz
capabilities: pm bus_master cap_list ethernet physical mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=b44 driverversion=2.0 duplex=full latency=64 link=yes multicast=yes port=twisted pair speed=100MB/s
resources: irq:21 memory:c0300000-c0301fff
*-network:0 DISABLED
description: Wireless interface
physical id: 2
logical name: wlan0
serial: 00:1b:fc:e9:75:fc
capabilities: ethernet physical wireless
configuration: broadcast=yes multicast=yes wireless=IEEE 802.11bg
*-network:1 DISABLED
description: Ethernet interface
physical id: 3
logical name: vboxnet0
serial: 0a:00:27:00:00:00
capabilities: ethernet physical
configuration: broadcast=yes multicast=yeslsmod


Module Size Used by
isofs 31620 0
udf 80900 0
crc_itu_t 1852 1 udf
nls_iso8859_1 3740 1
nls_cp437 5372 1
vfat 10716 1
fat 51452 1 vfat
cbc 3516 715
aes_i586 8124 716
aes_generic 27484 1 aes_i586
binfmt_misc 8356 1
ppdev 6688 0
vboxnetflt 84840 0
vboxnetadp 78344 0
vboxdrv 121160 1 vboxnetflt
joydev 10272 0
dm_crypt 12928 0
snd_hda_codec_idt 59844 1
arc4 1660 2
iptable_filter 3100 0
ecb 2524 3
ip_tables 11692 1 iptable_filter
x_tables 16544 1 ip_tables
snd_hda_intel 26920 2
snd_hda_codec 75708 2 snd_hda_codec_idt,snd_hda_intel
snd_hwdep 7200 1 snd_hda_codec
snd_pcm_oss 37920 0
snd_mixer_oss 16028 1 snd_pcm_oss
snd_pcm 75296 3 snd_hda_intel,snd_hda_codec,snd_pcm_oss
dell_wmi 2564 0
dell_laptop 8128 0
dcdbas 7292 1 dell_laptop
b43 122136 0
mac80211 181076 1 b43
cfg80211 93052 2 b43,mac80211
sdhci_pci 7100 0
sdhci 17472 1 sdhci_pci
led_class 4096 2 b43,sdhci
snd_seq_dummy 2656 0
psmouse 56500 0
serio_raw 5280 0
ricoh_mmc 3676 0
k8temp 4188 0
snd_seq_oss 28576 0
snd_seq_midi 6432 0
snd_rawmidi 22208 1 snd_seq_midi
snd_seq_midi_event 6940 2 snd_seq_oss,snd_seq_midi
snd_seq 50224 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_mid i_event
snd_timer 22276 2 snd_pcm,snd_seq
snd_seq_device 6920 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi ,snd_seq
snd 59204 16 snd_hda_codec_idt,snd_hda_intel,snd_hda_codec,snd_ hwdep,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_os s,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
soundcore 7264 1 snd
snd_page_alloc 9156 2 snd_hda_intel,snd_pcm
i2c_piix4 9932 0
shpchp 32272 0
lp 8964 0
parport 35340 2 ppdev,lp
usbhid 38208 0
b44 28684 0
usb_storage 52576 1
mii 5212 1 b44
video 19380 0
output 2780 1 video
ssb 35300 2 b43,b44
radeon 636000 2
ttm 36212 1 radeon
drm 159584 4 radeon,ttm
i2c_algo_bit 5760 1 radeon
ati_agp 6760 0
agpgart 34988 3 ttm,drm,ati_agpiwconfig


wlan0 IEEE 802.11bg ESSID:""
Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated
Tx-Power=0 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality:0 Signal level:0 Noise level:0
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0

pedro_orange
January 8th, 2010, 11:25 AM
That says you're adapter is working and that it is just not associated to an access point. Can't you see it under networking?

You should find all the information here: https://help.ubuntu.com/community/WifiDocs/WirelessTroubleShootingGuide