Cannot connect to Wifi in Xubuntu Dell Inspiron 1545
I cannot connect to wireless networks on my Dell Inspiron 1545 in Xubuntu although I can in Windows. Even though "Enable Wireless" is checked, no wireless networks show up. After following the instructions on this page (https:/
hana@ubuntu:~$ sudo apt-get update; sudo apt-get install hwinfo grep; sudo lshw -C network; rfkill list; sudo iwlist scanning; cat /etc/network/
[sudo] password for hana:
Hit http://
Ign http://
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Hit http://
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Reading package lists... Done
Reading package lists... Done
Building dependency tree
Reading state information... Done
grep is already the newest version.
The following extra packages will be installed:
libhd16
The following NEW packages will be installed:
hwinfo libhd16
0 upgraded, 2 newly installed, 0 to remove and 209 not upgraded.
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Fetched 749kB in 5s (140kB/s)
Selecting previously deselected package libhd16.
(Reading database ... 87117 files and directories currently installed.)
Unpacking libhd16 (from .../libhd16_
Selecting previously deselected package hwinfo.
Unpacking hwinfo (from .../hwinfo_
Processing triggers for man-db ...
Setting up libhd16 (16.0-2) ...
Setting up hwinfo (16.0-2) ...
Processing triggers for libc-bin ...
ldconfig deferred processing now taking place
*-network
description: Network controller
product: BCM4312 802.11b/g
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:0c:00.0
version: 01
width: 64 bits
clock: 33MHz
resources: irq:17 memory:
*-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: 13
serial: a4:ba:db:c8:ba:b8
size: 100MB/s
capacity: 100MB/s
width: 64 bits
clock: 33MHz
resources: irq:28 memory:
*-network DISABLED
description: Wireless interface
physical id: 2
logical name: wlan0
serial: 78:e4:00:44:26:ce
0: dell-wifi: Wireless LAN
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
lo Interface doesn't support scanning.
eth0 Interface doesn't support scanning.
wlan0 Interface doesn't support scanning : Network is down
auto lo
iface lo inet loopback
DISTRIB_ID=Ubuntu
DISTRIB_
DISTRIB_
DISTRIB_
00:00.0 Host bridge [0600]: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub [8086:2a40] (rev 07)
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07)
00:02.1 Display controller [0380]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a43] (rev 07)
00:1a.0 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 [8086:2937] (rev 03)
00:1a.1 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 [8086:2938] (rev 03)
00:1a.2 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 [8086:2939] (rev 03)
00:1a.7 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 [8086:293c] (rev 03)
00:1b.0 Audio device [0403]: Intel Corporation 82801I (ICH9 Family) HD Audio Controller [8086:293e] (rev 03)
00:1c.0 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 [8086:2940] (rev 03)
00:1c.1 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2 [8086:2942] (rev 03)
00:1c.2 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 3 [8086:2944] (rev 03)
00:1c.4 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 5 [8086:2948] (rev 03)
00:1d.0 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 [8086:2934] (rev 03)
00:1d.1 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 [8086:2935] (rev 03)
00:1d.2 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 [8086:2936] (rev 03)
00:1d.7 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 [8086:293a] (rev 03)
00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev 93)
00:1f.0 ISA bridge [0601]: Intel Corporation ICH9M LPC Interface Controller [8086:2919] (rev 03)
00:1f.2 SATA controller [0106]: Intel Corporation ICH9M/M-E SATA AHCI Controller [8086:2929] (rev 03)
00:1f.3 SMBus [0c05]: Intel Corporation 82801I (ICH9 Family) SMBus Controller [8086:2930] (rev 03)
09:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd. 88E8040 PCI-E Fast Ethernet Controller [11ab:4354] (rev 13)
0c:00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g [14e4:4315] (rev 01)
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 0c45:63ee Microdia
Bus 001 Device 002: ID 0bda:0158 Realtek Semiconductor Corp. Mass Storage Device
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
H/W path Device Class Description
=======
/0 bus 0G848F
/0/0 memory 64KiB BIOS
/0/400 processor Pentium(R) Dual-Core CPU T4400 @
/0/400/700 memory 128KiB L1 cache
/0/400/701 memory 1MiB L2 cache
/0/1000 memory 3GiB System Memory
/0/1000/0 memory 1GiB DIMM DDR Synchronous 800 MHz (1.2
/0/1000/1 memory 2GiB DIMM DDR Synchronous 800 MHz (1.2
/0/100 bridge Mobile 4 Series Chipset Memory Controll
/0/100/2 display Mobile 4 Series Chipset Integrated Grap
/0/100/2.1 display Mobile 4 Series Chipset Integrated Grap
/0/100/1a bus 82801I (ICH9 Family) USB UHCI Controlle
/0/100/1a.1 bus 82801I (ICH9 Family) USB UHCI Controlle
/0/100/1a.2 bus 82801I (ICH9 Family) USB UHCI Controlle
/0/100/1a.7 bus 82801I (ICH9 Family) USB2 EHCI Controll
/0/100/1b multimedia 82801I (ICH9 Family) HD Audio Controlle
/0/100/1c bridge 82801I (ICH9 Family) PCI Express Port 1
/0/100/1c.1 bridge 82801I (ICH9 Family) PCI Express Port 2
/0/100/1c.1/0 network BCM4312 802.11b/g
/0/100/1c.2 bridge 82801I (ICH9 Family) PCI Express Port 3
/0/100/1c.2/0 eth0 network 88E8040 PCI-E Fast Ethernet Controller
/0/100/1c.4 bridge 82801I (ICH9 Family) PCI Express Port 5
/0/100/1d bus 82801I (ICH9 Family) USB UHCI Controlle
/0/100/1d.1 bus 82801I (ICH9 Family) USB UHCI Controlle
/0/100/1d.2 bus 82801I (ICH9 Family) USB UHCI Controlle
/0/100/1d.7 bus 82801I (ICH9 Family) USB2 EHCI Controll
/0/100/1e bridge 82801 Mobile PCI Bridge
/0/100/1f bridge ICH9M LPC Interface Controller
/0/100/1f.2 scsi0 storage ICH9M/M-E SATA AHCI Controller
/0/100/1f.2/0 /dev/sda disk 250GB ST9250315AS
/0/100/1f.2/0/1 /dev/sda1 volume 39MiB Windows FAT volume
/0/100/1f.2/0/2 /dev/sda2 volume 14GiB Windows NTFS volume
/0/100/1f.2/0/3 /dev/sda3 volume 218GiB Windows NTFS volume
/0/100/1f.2/1 /dev/cdrom disk DVD+-RW UJ890
/0/100/1f.3 bus 82801I (ICH9 Family) SMBus Controller
/0/1 scsi6 storage
/0/1/0.0.0 /dev/sdb disk SCSI Disk
/1 power DELL WK37904
/2 wlan0 network Wireless interface
Linux ubuntu 2.6.32-21-generic #32-Ubuntu SMP Fri Apr 16 08:09:38 UTC 2010 x86_64 GNU/Linux
[ 0.000000] No NUMA configuration found
[ 0.000000] No AGP bridge found
[ 0.436629] ACPI: No dock devices found.
[ 0.479401] usbcore: registered new interface driver usbfs
[ 0.479412] usbcore: registered new interface driver hub
[ 0.479435] usbcore: registered new device driver usb
[ 0.490120] Switching to clocksource tsc
[ 0.543174] pnp: PnP ACPI: found 13 devices
[ 0.568846] input: Lid Switch as /devices/
[ 0.569718] ACPI: Lid Switch [LID]
[ 0.572407] Switching to clocksource hpet
[ 0.630793] usb usb1: configuration #1 chosen from 1 choice
[ 0.630824] hub 1-0:1.0: USB hub found
[ 0.660198] usb usb2: configuration #1 chosen from 1 choice
[ 0.660226] hub 2-0:1.0: USB hub found
[ 0.660542] usb usb3: configuration #1 chosen from 1 choice
[ 0.660567] hub 3-0:1.0: USB hub found
[ 0.660790] usb usb4: configuration #1 chosen from 1 choice
[ 0.660812] hub 4-0:1.0: USB hub found
[ 0.661010] usb usb5: configuration #1 chosen from 1 choice
[ 0.661032] hub 5-0:1.0: USB hub found
[ 0.661251] usb usb6: configuration #1 chosen from 1 choice
[ 0.661273] hub 6-0:1.0: USB hub found
[ 0.661470] usb usb7: configuration #1 chosen from 1 choice
[ 0.661495] hub 7-0:1.0: USB hub found
[ 0.661690] usb usb8: configuration #1 chosen from 1 choice
[ 0.661715] hub 8-0:1.0: USB hub found
[ 0.698258] device-mapper: multipath: version 1.1.0 loaded
[ 0.698260] device-mapper: multipath round-robin: version 1.0.0 loaded
[ 0.701357] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found
[ 0.885908] sky2 eth0: addr a4:ba:db:c8:ba:b8
[ 0.897948] b43-pci-bridge 0000:0c:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
[ 0.897988] b43-pci-bridge 0000:0c:00.0: setting latency timer to 64
[ 0.989570] usb 1-5: new high speed USB device using ehci_hcd and address 2
[ 1.020290] ssb: Sonics Silicon Backplane found on PCI device 0000:0c:00.0
[ 1.141193] usb 1-5: configuration #1 chosen from 1 choice
[ 1.151096] usbcore: registered new interface driver usb-storage
[ 1.151103] usb-storage: device found at 2
[ 1.151105] usb-storage: waiting for device to settle before scanning
[ 1.260035] usb 1-6: new high speed USB device using ehci_hcd and address 3
[ 1.486315] usb 1-6: configuration #1 chosen from 1 choice
[ 6.142931] usb-storage: device scan complete
[ 12.833353] lp: driver loaded but no devices found
[ 13.212647] uvcvideo: Found UVC 1.00 device Integrated_
[ 13.222961] input: Integrated_
[ 13.223024] usbcore: registered new interface driver uvcvideo
[ 13.229128] b43-phy0: Broadcom 4312 WLAN found (core revision 15)
[ 13.662059] Registered led device: b43-phy0::tx
[ 13.662075] Registered led device: b43-phy0::rx
[ 13.662090] Registered led device: b43-phy0::radio
[ 13.662157] Broadcom 43xx driver loaded [ Features: PL, Firmware-ID: FW13 ]
[ 14.071450] input: HDA Intel Mic at Ext Right Jack as /devices/
[ 14.071651] input: HDA Intel HP Out at Ext Right Jack as /devices/
[ 14.343054] Console: switching to colour frame buffer device 170x48
[ 14.662782] b43 ssb0:0: firmware: requesting b43/ucode15.fw
[ 14.673713] b43 ssb0:0: firmware: requesting b43-open/ucode15.fw
[ 14.675793] b43-phy0 ERROR: Firmware file "b43/ucode15.fw" not found
[ 14.675796] b43-phy0 ERROR: Firmware file "b43-open/
[ 14.675798] b43-phy0 ERROR: You must go to http://
[ 14.680220] sky2 eth0: enabling interface
[ 14.680739] ADDRCONF(
[ 14.730314] b43 ssb0:0: firmware: requesting b43/ucode15.fw
[ 14.732196] b43 ssb0:0: firmware: requesting b43-open/ucode15.fw
[ 14.734331] b43-phy0 ERROR: Firmware file "b43/ucode15.fw" not found
[ 14.734391] b43-phy0 ERROR: Firmware file "b43-open/
[ 14.734443] b43-phy0 ERROR: You must go to http://
[ 17.608706] sky2 eth0: Link is up at 100 Mbps, full duplex, flow control rx
[ 17.609556] ADDRCONF(
[ 27.960065] eth0: no IPv6 routers present
lo no wireless extensions.
eth0 no wireless extensions.
wlan0 IEEE 802.11bg ESSID:off/any
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
/etc/modprobe.
/etc/modprobe.
28: PCI c00.0: 0282 WLAN controller
[Created at pci.318]
UDI: /org/freedeskto
Unique ID: y9sn.reAAs+k0MA5
Parent ID: qTvu.8Makl3iDVc3
SysFS ID: /devices/
SysFS BusID: 0000:0c:00.0
Hardware Class: network
Model: "Dell Wireless 1397 WLAN Mini-Card"
Vendor: pci 0x14e4 "Broadcom"
Device: pci 0x4315 "BCM4312 802.11b/g"
SubVendor: pci 0x1028 "Dell"
SubDevice: pci 0x000c "Wireless 1397 WLAN Mini-Card"
Revision: 0x01
Driver: "b43-pci-bridge"
Driver Modules: "ssb"
Device File: wlan0
Features: WLAN
Memory Range: 0xf69fc000-
IRQ: 17 (no events)
HW Address: 78:e4:00:44:26:ce
WLAN channels: 1 2 3 4 5 6 7 8 9 10 11 12 13 14
WLAN frequencies: 2.412 2.417 2.422 2.427 2.432 2.437 2.442 2.447 2.452 2.457 2.462 2.467 2.472 2.484
WLAN encryption modes: WEP40 WEP104 TKIP CCMP
WLAN authentication modes: open sharedkey wpa-psk wpa-eap
Module Alias: "pci:v000014E4d
Driver Info #0:
Driver Status: ssb is active
Driver Activation Cmd: "modprobe ssb"
Config Status: cfg=new, avail=yes, need=no, active=unknown
Attached to: #17 (PCI bridge)
29: PCI 900.0: 0200 Ethernet controller
[Created at pci.318]
UDI: /org/freedeskto
Unique ID: rBUF.0FslDBOVMC9
Parent ID: hoOk.ABTEjCxdYN4
SysFS ID: /devices/
SysFS BusID: 0000:09:00.0
Hardware Class: network
Model: "Marvell 88E8040 PCI-E Fast Ethernet Controller"
Vendor: pci 0x11ab "Marvell Technology Group Ltd."
Device: pci 0x4354 "88E8040 PCI-E Fast Ethernet Controller"
SubVendor: pci 0x1028 "Dell"
SubDevice: pci 0x02aa
Revision: 0x13
Driver: "sky2"
Driver Modules: "sky2"
Device File: eth0
Memory Range: 0xf68fc000-
I/O Ports: 0xde00-0xdeff (rw)
IRQ: 28 (13285 events)
HW Address: a4:ba:db:c8:ba:b8
Link detected: yes
Module Alias: "pci:v000011ABd
Driver Info #0:
Driver Status: sky2 is active
Driver Activation Cmd: "modprobe sky2"
Config Status: cfg=new, avail=yes, need=no, active=unknown
Attached to: #18 (PCI bridge)
Module Size Used by
snd_hda_codec_idt 61418 1
fbcon 39270 71
tileblit 2487 1 fbcon
font 8053 1 fbcon
bitblit 5811 1 fbcon
softcursor 1565 1 bitblit
vga16fb 12757 0
vgastate 9857 1 vga16fb
joydev 11072 0
arc4 1473 2
snd_hda_intel 25645 6
snd_hda_codec 85727 2 snd_hda_
snd_hwdep 6924 1 snd_hda_codec
snd_pcm_oss 41394 0
snd_mixer_oss 16299 3 snd_pcm_oss
snd_pcm 87850 3 snd_hda_
snd_seq_dummy 1782 0
snd_seq_oss 31219 0
snd_seq_midi 5829 0
snd_rawmidi 23388 1 snd_seq_midi
snd_seq_midi_event 7267 2 snd_seq_
snd_seq 57417 6 snd_seq_
snd_timer 23553 2 snd_pcm,snd_seq
snd_seq_device 6824 5 snd_seq_
b43 174953 0
dell_wmi 2177 0
mac80211 238128 1 b43
uvcvideo 62403 0
snd 70978 20 snd_hda_
i915 317872 2
drm_kms_helper 30742 1 i915
videodev 40486 1 uvcvideo
v4l1_compat 15495 2 uvcvideo,videodev
v4l2_compat_ioctl32 12020 1 videodev
dell_laptop 7941 0
dcdbas 6886 1 dell_laptop
psmouse 64608 0
serio_raw 4918 0
cfg80211 148386 2 b43,mac80211
soundcore 8052 3 snd
led_class 3732 1 b43
snd_page_alloc 8500 2 snd_hda_
drm 198770 3 i915,drm_kms_helper
i2c_algo_bit 6024 1 i915
video 20623 1 i915
output 2503 1 video
intel_agp 29225 2 i915
lp 9336 0
parport 37160 1 lp
usb_storage 49833 0
ssb 43517 1 b43
ahci 37646 1
sky2 48803 0
* Reconfiguring network interfaces... Ignoring unknown interface eth0=eth0.
Question information
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- Status:
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- Solved by:
- Alexander Mauroner
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