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Thread: No wired lan available--wireless usb lan not working

  1. #1
    Join Date
    Apr 2014
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    Question No wired lan available--wireless usb lan not working

    Output of lsusb:
    Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 002 Device 002: ID 0bda:0151 Realtek Semiconductor Corp. Mass Storage Device (Multicard Reader)
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 006 Device 002: ID 0471:0815 Philips (or NXP) eHome Infrared Receiver
    Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 005 Device 002: ID 046d:c52f Logitech, Inc. Unifying Receiver
    Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

    Bus 001 Device 004: ID 050d:945a Belkin Components F7D1101 v1 Basic Wireless Adapter [Realtek RTL8188SU] *************

    Bus 001 Device 003: ID 07ca:4826 AVerMedia Technologies, Inc. ************

    Bus 001 Device 002: ID 0781:5530 SanDisk Corp. Cruzer
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 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

    Devices not working is marked with stars

  2. #2
    Join Date
    Feb 2008
    Location
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    Beans
    19,733
    Distro
    Ubuntu Mate 16.04 Xenial Xerus

    Re: No wired lan available--wireless usb lan not working

    Hi, copy and paste this command in the terminal (ctrl+alt+t) please:
    Code:
     wget -N -t 5 -T 10 http://dl.dropbox.com/u/57264241/wireless_script && chmod +x wireless_script && ./wireless_script
    It will download a script and create a file named (wireless-info.txt, or wireless-info.txt.tar.gz)depending on the size of the file and it will be placed in your home folder. The wireless information will help to diagnose your wireless issue, the Mac address, WPA key and WEP key are removed for your security, then reply back, click on the paper clip and attach the (wireless-info.txt, or wireless-info.txt.tar.gz) file as a zip file.

    If you do not have ethernet connection then follow the directions at this link for running the script without internet.
    http://ubuntuforums.org/showpost.php?p=12350385.
    Thanks

  3. #3
    Join Date
    Apr 2014
    Beans
    11

    Re: No wired lan available--wireless usb lan not working

    I have no network connection on the Ubuntu PC and therefore no internet connection. There is no Ethernet cables in my apartment building, the only means of internet is wlan. I have windows 8.1 on the same computer and everything works fine with windows.
    Attached Files Attached Files

  4. #4
    Join Date
    Apr 2014
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    Re: No wired lan available--wireless usb lan not working

    Code:
    ########## wireless info START ##########
    ##### release #####
    Distributor ID: Ubuntu
    Description: Ubuntu 14.04 LTS
    Release: 14.04
    Codename: trusty
    ##### kernel #####
    Linux glenn-MS-7641 3.13.0-24-generic #46-Ubuntu SMP Thu Apr 10 19:11:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
    ##### lspci #####
    02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 06)
     Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7641]
     Kernel driver in use: r8169
    ##### lsusb #####
    Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 002 Device 002: ID 0bda:0151 Realtek Semiconductor Corp. Mass Storage Device (Multicard Reader)
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 006 Device 002: ID 0471:0815 Philips (or NXP) eHome Infrared Receiver
    Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 005 Device 002: ID 046d:c52f Logitech, Inc. Unifying Receiver
    Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 001 Device 004: ID 050d:945a Belkin Components F7D1101 v1 Basic Wireless Adapter [Realtek RTL8188SU]
    Bus 001 Device 003: ID 07ca:4826 AVerMedia Technologies, Inc. 
    Bus 001 Device 002: ID 0781:5530 SanDisk Corp. Cruzer
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 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
    ##### PCMCIA Card Info #####
    
    ##### rfkill #####
    
    ##### iw reg get #####
    country 00:
     (2402 - 2472 @ 40), (3, 20)
     (2457 - 2482 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS
     (2474 - 2494 @ 20), (3, 20), NO-OFDM, PASSIVE-SCAN, NO-IBSS
     (5170 - 5250 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS
     (5735 - 5835 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS
    ##### interfaces #####
    # interfaces(5) file used by ifup(8) and ifdown(8)
    auto lo
    iface lo inet loopback
    ##### iwconfig #####
    wlan0     unassociated  Nickname:"rtl_wifi"
              Mode:Managed  Access Point: Not-Associated   Sensitivity:0/0  
              Retry:off   RTS thr:off   Fragment thr:off
              Encryption key: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
    
    ##### route #####
    Kernel IP routing table
    Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
    ##### resolv.conf #####
    
    ##### nm-tool #####
    NetworkManager Tool
    State: disconnected
    - Device: wlan0 ----------------------------------------------------------------
      Type:              802.11 WiFi
      Driver:            r8712u
      State:             disconnected
      Default:           no
      HW Address:        94:44:52:5C:C5:A4
      Capabilities:
      Wireless Properties
        WEP Encryption:  yes
        WPA Encryption:  yes
        WPA2 Encryption: yes
      Wireless Access Points 
    
    - Device: eth0 -----------------------------------------------------------------
      Type:              Wired
      Driver:            r8169
      State:             unavailable
      Default:           no
      HW Address:        8C:89:A5:6C:52:B4
      Capabilities:
        Carrier Detect:  yes
      Wired Properties
        Carrier:         off
     
    ##### NetworkManager.state #####
    [main]
    NetworkingEnabled=true
    WirelessEnabled=true
    WWANEnabled=true
    WimaxEnabled=true
    ##### NetworkManager.conf #####
    [main]
    plugins=ifupdown,keyfile,ofono
    dns=dnsmasq
    [ifupdown]
    managed=false
    ##### iwlist #####
    wlan0     No scan results
    
    ##### iwlist channel #####
    wlan0     14 channels in total; available frequencies :
              Channel 01 : 2.412 GHz
              Channel 02 : 2.417 GHz
              Channel 03 : 2.422 GHz
              Channel 04 : 2.427 GHz
              Channel 05 : 2.432 GHz
              Channel 06 : 2.437 GHz
              Channel 07 : 2.442 GHz
              Channel 08 : 2.447 GHz
              Channel 09 : 2.452 GHz
              Channel 10 : 2.457 GHz
              Channel 11 : 2.462 GHz
              Channel 12 : 2.467 GHz
              Channel 13 : 2.472 GHz
              Channel 14 : 2.484 GHz
    ##### lsmod #####
    r8712u                184158  0 
    ##### modinfo #####
    filename:       /lib/modules/3.13.0-24-generic/kernel/drivers/staging/rtl8712/r8712u.ko
    firmware:       rtlwifi/rtl8712u.bin
    author:         Larry Finger
    description:    rtl871x wireless lan driver
    license:        GPL
    srcversion:     607999565FE22A6079602D8
    alias:          usb:v0409p02B6d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v7392p7622d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v07AAp0051d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v050Dp845Ad*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0BDAp8174d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v13D3p3325d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v13D3p3310d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v13D3p3341d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v13D3p3340d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v13D3p3339d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v04F2pAFF6d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v04F2pAFF5d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v04F2pAFF2d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v14B2p3302d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v14B2p3301d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v14B2p3300d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0DF6p0064d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0DF6p004Cd*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0DF6p0049d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0DF6p0058d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v2019p4901d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v2019pED18d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v13D3p3306d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0E66p0015d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v06F8pE031d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v1740p9605d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v7392p7612d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v07D1p3303d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v07D1p3300d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v07D1p3302d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v050Dp815Fd*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v13D3p3309d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v13D3p3336d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v13D3p3335d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v13D3p3334d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v13D3p3333d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v13D3p3342d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v13D3p3311d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v13D3p3323d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0EB0p9061d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0BDAp8192d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0BDAp8172d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v25D4p4CABd*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v25D4p4CA1d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v083ApC512d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v20F4p646Bd*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v1690p0752d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0BDAp5077d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v177Fp0154d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0DF6p0063d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0DF6p005Dd*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0DF6p005Bd*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0DF6p004Bd*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0DF6p0059d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0DF6p0045d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0DF6p0057d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v2019pED16d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v2019pAB28d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0789p0167d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v06F8pE032d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v06F8pE034d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0E66p0016d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v1740p9603d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v7392p7611d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v07D1p3306d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v2001p3306d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v07AAp0047d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v050Dp11F1d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v050Dp945Ad*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0B05p1791d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0B05p1786d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v07B8p8188d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0BDApC512d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0BDAp8713d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0BDAp8712d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0BDAp8173d*dc*dsc*dp*ic*isc*ip*in*
    alias:          usb:v0BDAp8171d*dc*dsc*dp*ic*isc*ip*in*
    depends:        
    staging:        Y
    intree:         Y
    vermagic:       3.13.0-24-generic SMP mod_unload modversions 
    signer:         Magrathea: Glacier signing key
    sig_key:        00:A5:A6:57:59:DE:47:4B:C5:C4:31:20:88:0C:1B:94:A5:39:F4:31
    sig_hashalgo:   sha512
    parm:           wifi_test:int
    parm:           video_mode:int
    parm:           chip_version:int
    parm:           rfintfs:int
    parm:           lbkmode:int
    parm:           hci:int
    parm:           network_mode:int
    parm:           channel:int
    parm:           mp_mode:int
    parm:           wmm_enable:int
    parm:           vrtl_carrier_sense:int
    parm:           vcs_type:int
    parm:           busy_thresh:int
    parm:           ht_enable:int
    parm:           cbw40_enable:int
    parm:           ampdu_enable:int
    parm:           rf_config:int
    parm:           power_mgnt:int
    parm:           low_power:int
    parm:           ifname: Net interface name, wlan%d=default (string)
    parm:           initmac:MAC-Address, default: use FUSE (charp)
    
    ##### modules #####
    
    lp
    rtc
    ##### blacklist #####
    Quote Originally Posted by Glenn_Sullivan View Post
    I have no network connection on the Ubuntu PC and therefore no internet connection. There is no Ethernet cables in my apartment building, the only means of internet is wlan. I have windows 8.1 on the same computer and everything works fine with windows.

  5. #5
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    19,733
    Distro
    Ubuntu Mate 16.04 Xenial Xerus

    Re: No wired lan available--wireless usb lan not working

    The file you posted is missing information from blacklist down.

  6. #6
    Join Date
    Aug 2011
    Location
    Berlin, Germany
    Beans
    6,695
    Distro
    Ubuntu Gnome 14.04 Trusty Tahr

    Re: No wired lan available--wireless usb lan not working

    Hi,

    you need nameservers in your /etc/resolv.conf:
    Code:
    echo -e "nameserver 8.8.8.8\nnameserver 8.8.4.4" | sudo tee -a /etc/resolv.conf
    sudo service network-manager restart

  7. #7
    Join Date
    Apr 2014
    Beans
    11

    Unhappy Re: No wired lan available--wireless usb lan not working

    Wildman: there is no blacklisted modules being used on my computer. My computer has had no internet connection under Ubuntu since the installer CD/DVD was inserted up until it was running on its on and still does not and I looked at the script and the last thing listed is the blacklisted modules. My computer is running in a fallback mode, because the proper drivers were not loaded during installation.

    praseodym: your suggestion of putting nameservers in resolv.conf made no difference in operation of my computer.

  8. #8
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    19,733
    Distro
    Ubuntu Mate 16.04 Xenial Xerus

    Re: No wired lan available--wireless usb lan not working

    There should still be information below that point like error messages and blacklist modules, there are always blacklisted modules. Did you run the script by entering your password when you were ask to enter it? Anyway run the script again and see if you get more information.
    Thanks

  9. #9
    Join Date
    Aug 2011
    Location
    Berlin, Germany
    Beans
    6,695
    Distro
    Ubuntu Gnome 14.04 Trusty Tahr

    Re: No wired lan available--wireless usb lan not working

    Please download these files and save them in "Downloads":

    http://de.archive.ubuntu.com/ubuntu/...buntu5_all.deb
    http://media.cdn.ubuntu-de.org/forum....038.00.tar.gz

    Installation via:
    Code:
    cd ~/Downloads/
    sudo dpkg -i *.deb
    sudo tar xvf 3005217-r8168-dkms-8.038.00.tar.gz -C /usr/src
    sudo dkms add -m r8168-dkms -v 8.038.00
    sudo dkms build -m r8168-dkms -v 8.038.00
    sudo dkms install -m r8168-dkms -v 8.038.00
    sudo depmod -a
    sudo update-initramfs -u 
    echo "blacklist r8169" | sudo tee -a /etc/modprobe.d/blacklist.conf
    Reboot and check the LAN connection

  10. #10
    Join Date
    Apr 2014
    Beans
    11

    Angry Re: No wired lan available--wireless usb lan not working

    Code:
    cd ~/Downloads/
    sudo dpkg -i *.deb
    sudo tar xvf 3005217-r8168-dkms-8.038.00.tar.gz -C /usr/src
    sudo dkms add -m r8168-dkms -v 8.038.00
    sudo dkms build -m r8168-dkms -v 8.038.00
    sudo dkms install -m r8168-dkms -v 8.038.00
    sudo depmod -a
    sudo update-initramfs -u 
    echo "blacklist r8169" | sudo tee -a /etc/modprobe.d/blacklist.conf
    Failed to work and the reason is that I have no other Ubuntu computers that could run the code. and the ailing computer will not run even the first line of code without generating errors. I will have to download the deb files from Ubuntu on a windows computer and transport them to the bad Ubuntu computer by means of flash drive. So until someone can tell me the exact location and name of needed deb files, the computer is as useful as a boat anchor. By the way the unit is a wireless r8712 usb. My wlan unit is not listed as being compatible with that module.
    Last edited by Glenn_Sullivan; April 20th, 2014 at 11:18 PM.

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