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I recently installed Ubuntu onto my Dell Inspiron 1545 laptop.

I can connect to the Internet via Ethernet, but wireless won't work. The prompt to put in the wifi password pops up, but when I put in the password, it simply says connecting and the prompt for the password comes back up! The prompt will come back up every two or three minutes, but the same thing happens.

I've tried to install drivers using Windows Wireless Drivers, but I can't seem to figure it out. My wireless card is an Atheros AR928X. This is my first time using Ubuntu.

Here is the output of the commands I've been asked to run:

1- Output of lspci -nnk | grep -iA2 net

$ lspci -nnk | grep -iA2 net

09:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd. 88E8040 PCI-E Fast Ethernet Controller [11ab:4354] (rev 13)

    Subsystem: Dell Device [1028:02aa]

    Kernel driver in use: sky2

--

0c:00.0 Network controller [0280]: Atheros Communications Inc. AR928X Wireless Network Adapter (PCI-Express) [168c:002a] (rev 01)

    Subsystem: Atheros Communications Inc. Device [168c:0200]

    Kernel driver in use: ath9k

2- Output of lsusb

$ lsusb

Bus 001 Device 003: ID 0c45:63ee Microdia 

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Bus 003 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 005 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 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

3- Output of nm-tool, sudo iwlist scan and iwconfig

$ nm-tool



NetworkManager Tool



State: connected (global)



- Device: eth0  [Wired connection 1] -------------------------------------------

  Type:              Wired

  Driver:            sky2

  State:             connected

  Default:           yes

  HW Address:        00:25:64:44:02:7D



  Capabilities:

    Carrier Detect:  yes

    Speed:           100 Mb/s



  Wired Properties

    Carrier:         on



  IPv4 Settings:

    Address:         192.168.1.90

    Prefix:          24 (255.255.255.0)

    Gateway:         192.168.1.254



    DNS:             192.168.1.254

    DNS:             75.153.176.9





- Device: wlan0 ----------------------------------------------------------------

  Type:              802.11 WiFi

  Driver:            ath9k

  State:             disconnected

  Default:           no

  HW Address:        00:22:5F:C2:08:1F



  Capabilities:



  Wireless Properties

    WEP Encryption:  yes

    WPA Encryption:  yes

    WPA2 Encryption: yes



  Wireless Access Points 

    beau:            Infra, 00:26:B8:ED:E6:CC, Freq 2422 MHz, Rate 54 Mb/s, Strength 95 WPA

    verjee:          Infra, F0:D1:A9:14:03:7A, Freq 2452 MHz, Rate 54 Mb/s, Strength 32 WPA2





$ sudo iwlist scan

lo        Interface doesn't support scanning.



eth0      Interface doesn't support scanning.



wlan0     Scan completed :

          Cell 01 - Address: 00:26:B8:ED:E6:CC

                    Channel:3

                    Frequency:2.422 GHz (Channel 3)

                    Quality=64/70  Signal level=-46 dBm  

                    Encryption key:on

                    ESSID:"beau"

                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s

                              24 Mb/s; 36 Mb/s; 54 Mb/s

                    Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s

                    Mode:Master

                    Extra:tsf=0000024523a5e000

                    Extra: Last beacon: 36ms ago

                    IE: Unknown: 000462656175

                    IE: Unknown: 010882848B962430486C

                    IE: Unknown: 030103

                    IE: Unknown: 2A0100

                    IE: Unknown: 2F0100

                    IE: Unknown: 32040C121860

                    IE: Unknown: 2D1A6C181BFFFF000000000000000000000000000000000000000000

                    IE: Unknown: 3D1603001300000000000000000000000000000000000000

                    IE: Unknown: DD090010180202F0050000

                    IE: WPA Version 1

                        Group Cipher : TKIP

                        Pairwise Ciphers (1) : TKIP



                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00

                    IE: Unknown: DD1E00904C336C181BFFFF000000000000000000000000000000000000000000

                    IE: Unknown: DD1A00904C3403001300000000000000000000000000000000000000

          Cell 02 - Address: F0:D1:A9:14:03:7A

                    Channel:9

                    Frequency:2.452 GHz (Channel 9)

                    Quality=27/70  Signal level=-83 dBm  

                    Encryption key:on

                    ESSID:"verjee"

                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s

                              9 Mb/s; 12 Mb/s; 18 Mb/s

                    Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s

                    Mode:Master

                    Extra:tsf=000000173491f180

                    Extra: Last beacon: 3636ms ago

                    IE: Unknown: 00067665726A6565

                    IE: Unknown: 010882848B960C121824

                    IE: Unknown: 030109

                    IE: Unknown: 0706434120010B1E

                    IE: Unknown: 2A0100

                    IE: Unknown: 32043048606C

                    IE: IEEE 802.11i/WPA2 Version 1

                        Group Cipher : CCMP

                        Pairwise Ciphers (1) : CCMP

                        Authentication Suites (1) : PSK

                    IE: Unknown: 2D1AAD511BFFFF000000000000000000000000000000000000000000

                    IE: Unknown: 33027E9D

                    IE: Unknown: 3D1609080400000000000000000000000000000000000000

                    IE: Unknown: 46050200010000

                    IE: Unknown: DD180050F2020101010003A4000027A4000042435E0062322F00

                    IE: Unknown: DD0700039301730B20

                    IE: Unknown: DD0E0017F20700010106F0D1A914037A





$ iwconfig 

wlan0     IEEE 802.11abgn  ESSID:off/any  

          Mode:Managed  Access Point: Not-Associated   Tx-Power=16 dBm   

          Retry  long limit:7   RTS thr:off   Fragment thr:off

          Power Management:off



lo        no wireless extensions.



eth0      no wireless extensions.

Authentication Suites (1) : PSK

4- Output of rfkill list all

$ rfkill list all

0: phy0: Wireless LAN

    Soft blocked: no

    Hard blocked: no

5- Output of lsmod

$ lsmod

Module                  Size  Used by

bnep                   17791  2 

rfcomm                 38104  0 

bluetooth             189625  10 bnep,rfcomm

parport_pc             32115  0 

ppdev                  12850  0 

snd_hda_codec_idt      60238  1 

arc4                   12474  2 

snd_hda_intel          32983  5 

snd_hda_codec         116477  2 snd_hda_codec_idt,snd_hda_intel

snd_hwdep              13277  1 snd_hda_codec

joydev                 17394  0 

ath9k                 122028  0 

mac80211              475546  1 ath9k

snd_pcm                81124  3 snd_hda_intel,snd_hda_codec

snd_seq_midi           13133  0 

snd_rawmidi            25426  1 snd_seq_midi

snd_seq_midi_event     14476  1 snd_seq_midi

ath9k_common           13782  1 ath9k

ath9k_hw              384090  2 ath9k,ath9k_common

i915                  479235  4 

uvcvideo               72249  0 

snd_seq                51594  2 snd_seq_midi,snd_seq_midi_event

snd_timer              28932  2 snd_pcm,snd_seq

snd_seq_device         14138  3 snd_seq_midi,snd_rawmidi,snd_seq

videobuf2_core         32212  1 uvcvideo

ath                    19436  3 ath9k,ath9k_common,ath9k_hw

drm_kms_helper         47459  1 i915

cfg80211              181041  3 ath9k,mac80211,ath

drm                   240443  5 i915,drm_kms_helper

psmouse                91381  0 

videodev              100265  2 uvcvideo,videobuf2_core

snd                    62675  18 snd_hda_codec_idt,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device

videobuf2_vmalloc      12757  1 uvcvideo

videobuf2_memops       13213  1 videobuf2_vmalloc

dell_wmi               12602  0 

coretemp               13362  0 

sparse_keymap          13659  1 dell_wmi

gpio_ich               13160  0 

wmi                    18745  1 dell_wmi

dell_laptop            17210  0 

microcode              18396  0 

dcdbas                 14099  1 dell_laptop

soundcore              14636  1 snd

snd_page_alloc         14109  2 snd_hda_intel,snd_pcm

serio_raw              13032  0 

lpc_ich                16993  0 

i2c_algo_bit           13317  1 i915

mac_hid                13078  0 

video                  19117  1 i915

lp                     17456  0 

parport                40931  3 parport_pc,ppdev,lp

ums_realtek            17929  0 

usb_storage            39720  1 ums_realtek

ahci                   25621  2 

libahci                26166  1 ahci

sky2                   53629  0 

6- Modprobing

 echo "options ath9k nohwcrypt=1" | sudo tee /etc/modprobe.d/ath9k.conf

options ath9k nohwcrypt=1



sudo modprobe -rfv ath9k

rmmod /lib/modules/3.5.0-37-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k.ko

rmmod /lib/modules/3.5.0-37-generic/kernel/net/mac80211/mac80211.ko

rmmod /lib/modules/3.5.0-37-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k_common.ko

rmmod /lib/modules/3.5.0-37-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k_hw.ko

rmmod /lib/modules/3.5.0-37-generic/kernel/drivers/net/wireless/ath/ath.ko

rmmod /lib/modules/3.5.0-37-generic/kernel/net/wireless/cfg80211.ko



 sudo modprobe -v ath9k

insmod /lib/modules/3.5.0-37-generic/kernel/net/wireless/cfg80211.ko 

insmod /lib/modules/3.5.0-37-generic/kernel/drivers/net/wireless/ath/ath.ko 

insmod /lib/modules/3.5.0-37-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k_hw.ko 

insmod /lib/modules/3.5.0-37-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k_common.ko 

insmod /lib/modules/3.5.0-37-generic/kernel/net/mac80211/mac80211.ko 

insmod /lib/modules/3.5.0-37-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k.ko nohwcrypt=1

7- Output of dmesg | egrep 'ath|firm|wlan|network|wpa'

http://pastebin.com/ySLm71YN

Any and all help is welcome!

I had this same issue with a RealTek RTL8188EEE wireless card and Ubuntu 13.04. The quick solution was to just put in the IP of my Wireless Router, then change it from AES to TKIP-AES. This kept the other systems on my wireless happy, and suddenly Ubuntu took the password and connected me with a reported 72Mb/s connection speed.

I couldn't do too much more since I was running from the DVD, making sure it works before I install. I had seen suggestions of doing NDISWrapper and then rebooting - not gonna help with the DVD.

Hope this helps anyone else looking. Probably too late to help the original person posting, but maybe it will help someone else. If you can't do TKIP-AES, try going from AES to just TKIP. That was suggested in another forum as well.

Please copy and paste the commands for accuracy one line at a time:

echo "options ath9k nohwcrypt=1" | sudo tee /etc/modprobe.d/ath9k.conf



sudo modprobe -rfv ath9k



sudo modprobe -v ath9k

Also it would be best to set encryption in the router to just wpa2 if you have that option by entering 192.168.0.1 or something very similar to those numbers in your web browser while having an ethernet connection, you may have to look at the documentation for your router for the exact numbers to enter.

Also try channel 1 or 11 in your router.

You can google the documentation for your router.
Please set your wireless settings in network manager to match the screenshots.

You should also remove your connection in network manager and reset your router then reboot your computer.

Make sure you have wireless-tools installed via sudo apt-get install wireless-tools

This will provide a better GUI to connect to existing wireless networks.

Try pinging any site, local computer or not, to test if it is working. You may get a specific error, which may mean that some of the settings are off.