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Thread: Atheros QCA9565 / AR9565 , Dell Inspiron 3521

  1. #1
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    Atheros QCA9565 / AR9565 , Dell Inspiron 3521

    I have dell Inspiron 3521 laptop, which comes with preinstalled Ubuntu 12.04. But wireless does not detect networks

    please help

    here is some command which i have tried to know about my system

    lshw -C network *-network

    description: Ethernet interface
    product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller
    vendor: Realtek Semiconductor Co., Ltd.
    physical id: 0
    bus info: pci@0000:01:00.0
    logical name: eth0
    version: 05
    serial: 74:86:7a:23:72:8a
    size: 100Mbit/s
    capacity: 100Mbit/s
    width: 64 bits
    clock: 33MHz
    capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
    configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl_nic/rtl8105e-1.fw ip=10.154.4.5 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
    resources: irq:44 ioport:2000(size=256) memory:c0404000-c0404fff memory:c0400000-c0403fff
    *-network UNCLAIMED
    description: Network controller
    product: QCA9565 / AR9565 Wireless Network Adapter
    vendor: Qualcomm Atheros
    physical id: 0
    bus info: pci@0000:02:00.0
    version: 01
    width: 64 bits
    clock: 33MHz
    capabilities: pm msi pciexpress bus_master cap_list
    configuration: latency=0
    resources: memory:c0500000-c057ffff memory:afb00000-afb0ffff
    Last edited by bte_rajan; November 18th, 2013 at 11:51 AM.

  2. #2
    Join Date
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    Ubuntu 14.04 Trusty Tahr

    Re: wireless does not detect networks in Ubuntu 12.04 (My system-Dell Inspiron 3521)

    product: QCA9565 / AR9565 Wireless Network Adapter
    Please see here: http://askubuntu.com/questions/35574.../355816#355816
    Your wireless device is covered in the driver ath9k but only in kernels 3.8 and later. Please see here: http://askubuntu.com/questions/21549...r9565-wireless

    You could update your 12.04 to 12.04.3 LTS which uses the 3.8.0-xx kernel or reinstall Ubuntu 13.04. You could certainly also compile the compat-wireless linked here.
    Cool! A link within a link!

    Post back if you get stuck.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  3. #3
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    Re: wireless does not detect networks in Ubuntu 12.04 (My system-Dell Inspiron 3521)

    Thanks for the reply,
    I check version of ubuntu in my system. here is the terminal output
    cat /etc/lsb-release DISTRIB_ID=Ubuntu
    DISTRIB_RELEASE=12.04
    DISTRIB_CODENAME=precise
    DISTRIB_DESCRIPTION="Ubuntu 12.04.3 LTS"

    uname -r
    3.2.0-56-generic

    please help (I am beginner ) what should i do next –
    Last edited by bte_rajan; November 18th, 2013 at 02:37 PM.

  4. #4
    Join Date
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    Re: wireless does not detect networks in Ubuntu 12.04 (My system-Dell Inspiron 3521)

    Please get a temporary wired ethernet connection, open a terminal and do:
    Code:
    sudo apt-get install linux-backports-modules-cw-3.8-precise-generic
    Reboot and let us hear your report.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  5. #5
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    Re: wireless does not detect networks in Ubuntu 12.04 (My system-Dell Inspiron 3521)

    Thanks a lot. its working.............. I spent almost a month searching for the solution from DELL support centre and various other sources . Thank you very much again !!!

  6. #6
    Join Date
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    Re: wireless does not detect networks in Ubuntu 12.04 (My system-Dell Inspiron 3521)

    A month? Dr. Chili is glad you came to the right place! Glad it's working. Please mark the thread Solved so that the searchers will find it: https://wiki.ubuntu.com/UnansweredPo.../SolvedThreads
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  7. #7
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    Re: wireless does not detect networks in Ubuntu 12.04 (My system-Dell Inspiron 3521)

    Thanks again, I now have another issue, wireless detects networks and I am able to connect to one of the network. but still I am unable to browse internet.
    do I need to configure any thing in my mozila firefox explore before starting ??

  8. #8
    Join Date
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    Re: wireless does not detect networks in Ubuntu 12.04 (My system-Dell Inspiron 3521)

    Quote Originally Posted by bte_rajan View Post
    Thanks again, I now have another issue, wireless detects networks and I am able to connect to one of the network. but still I am unable to browse internet.
    do I need to configure any thing in my mozila firefox explore before starting ??
    Possibly. In Firefox, select Edit > Preferences > Advanced > Network > Connection > Settings . In most cases, 'no proxy' is the preferred setting. We would love to see the results of:
    Code:
    nm-tool
    ping -c3 8.8.8.8
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  9. #9
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    Re: wireless does not detect networks in Ubuntu 12.04 (My system-Dell Inspiron 3521)

    here is the terminal output

    nm-tool

    NetworkManager Tool

    State: connected (global)

    - Device: wlan0 [DU-Wireless] -------------------------------------------------
    Type: 802.11 WiFi
    Driver: ath9k
    State: connected
    Default: yes
    HW Address: BC:85:56:5F:36:C5

    Capabilities:
    Speed: 11 Mb/s

    Wireless Properties
    WEP Encryption: yes
    WPA Encryption: yes
    WPA2 Encryption: yes

    Wireless Access Points (* = current AP)
    MKu: Infra, 90:84:0DF:52:C1, Freq 2412 MHz, Rate 54 Mb/s, Strength 67 WPA2
    *default: Infra, 00:18:E7:0EA:4D, Freq 2437 MHz, Rate 54 Mb/s, Strength 40

    IPv4 Settings:
    Address: 192.168.1.137
    Prefix: 24 (255.255.255.0)
    Gateway: 192.168.1.1

    DNS: 10.103.1.11


    - Device: eth0 -----------------------------------------------------------------
    Type: Wired
    Driver: r8169
    State: unavailable
    Default: no
    HW Address: 74:86:7A:23:72:8A

    Capabilities:
    Carrier Detect: yes

    Wired Properties
    Carrier: off


    ping -c3 8.8.8.8
    PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.

    --- 8.8.8.8 ping statistics ---
    3 packets transmitted, 0 received, 100% packet loss, time 2015ms
    Last edited by bte_rajan; November 19th, 2013 at 03:56 PM.

  10. #10
    Join Date
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    Re: wireless does not detect networks in Ubuntu 12.04 (My system-Dell Inspiron 3521)

    IPv4 Settings:
    Address: 192.168.1.137
    Prefix: 24 (255.255.255.0)
    Gateway: 192.168.1.1

    DNS: 10.103.1.11
    Where did that DNS nameserver come from? Did you set up a static IP address? Please don't tell me it was provided by the router by DHCP!?! How does it compare to other devices on the same router and network?
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

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