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Thread: Can't connect to home wireless network only/12.04/AR9287

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  1. #1
    Join Date
    Jan 2005
    Beans
    101
    Distro
    Ubuntu 12.04 Precise Pangolin

    Question Can't connect to home wireless network only/12.04/AR9287

    I have had my laptop (Acer 5560-7414) with ubuntu 12.04 installed for 8 months, I haven't made any network hardware changes since I bought my laptop.

    My wireless network is set up by my router: linksys WRT54G (v5) v1.02.7 router.

    My problem:
    Within the past 24 hours, I'm suddently no longer able to connect to my home wireless network. When attempting to connect to it through the network manager, I receive message that says, "wireless network authentication required" and asks to insert my password. I've verified my password is correct and click ok, the icon in the upper right hand corner rotates for a minute, then the message appears again. I've typed in my password manually to double check the password is correct and still receive the message and unable to connect to the wireless network.

    In the past, I'd experience this problem about once every couple weeks, would click ok, and then able to reconnect to my wireless network.

    I am able to successfully connect to each of my next door neighbor's wireless networks. More puzzling is that my phone (an android) is able to connect to my home wireless network without any problems like normal.

    HERE is the syslog output while I am trying to connect to my wireless network, egged.
    http://pastebin.ca/2316700

    I have already unplugged my cable modem and my router, waited a couple minutes, plugged them back in; had same problem as described above. I've also rebooted the laptop and still experience the same problem.


    Also included is my information from the sticky thread -http://ubuntuforums.org/showthread.php?p=6183681

    1. Acer 5560-7414.

    2. lspci:
    Network controller: Atheros Communications Inc. AR9287 Wireless Network Adapter (PCI-Express) (rev 01)

    3. iwconfig
    Code:
    wlan0     IEEE 802.11bgn  ESSID:off/any  
              Mode:Managed  Access Point: Not-Associated   Tx-Power=13 dBm   
              Retry  long limit:7   RTS thr:off   Fragment thr:off
              Power Management:off
    4. lsmod
    http://pastebin.ca/2316693


    5. dmesg
    http://pastebin.ca/2316699

    6.
    $ sudo lshw -C network
    http://pastebin.ca/2316694

    7. iwlist scan:
    I am able to connect to my neighbors' wireless network - ESSID:"2WIRE944" and 2WIRE858.
    'egged' is my home wireless network that I am unable to connect to.

    http://pastebin.ca/2316698


    8. Ubuntu 12.04.2 LTS
    9. 3.2.0-38-generic-pae i686
    Last edited by keyshawn; February 22nd, 2013 at 10:13 PM. Reason: corrected links,again because paste.ubuntu.com says my previous ones didn't exist. :(
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