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Thread: Can't connect to internet when there's a password. Ubuntu 13.04 and Realtek 8723.

  1. #1
    Join Date
    Jun 2013
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    9

    Can't connect to internet when there's a password. Ubuntu 13.04 and Realtek 8723.

    I just installed Ubuntu 13.04 yesterday from a USB key, When I attempt to connect to my home network after I enter the password and wait a few seconds a message pops up notifying me I have been disconnected from internet... Although I was never connected. The password is entered correctly and the internet works just fine on my Ipod. When I connect to the free wifi (no password) at mcDonalds the internet works fine. I have seen http://askubuntu.com/questions/28668...-wifi-on-13-04 but the answer there did not help solve my problem and I have a realtek 8723 not 8188. I also upgraded my kernel to 3.9 as someone suggested that may help. It did not. Any help would be greatly appreciated, thanks very much!!
    Last edited by phoreeyes; June 20th, 2013 at 12:55 AM.

  2. #2
    Join Date
    Jun 2013
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    3

    Re: Can't connect to internet when there's a password. Ubuntu 13.04 and Realtek 8723.

    It's an authentication problem. A common Ubuntu bug. Try changing the password to a hex or completely remove the password. I am not 100% sure if the hex will work but removing the password will. Or just connect to a wired connection.

  3. #3
    Join Date
    Nov 2009
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    Kubuntu 14.04 Trusty Tahr

    Re: Can't connect to internet when there's a password. Ubuntu 13.04 and Realtek 8723.

    which password? for the keyring? note keyring password is (usually) not the same as user password.
    Easy to understand Ubuntu manual with lots of pics: http://ubuntu-manual.org/
    Do i need antivirus/firewall in linux?
    User friendly disk backup: Redobackup

  4. #4
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    Jun 2013
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    Re: Can't connect to internet when there's a password. Ubuntu 13.04 and Realtek 8723.

    The password is the internet password. Unfortunatley the internet is for the entire apartment building and I'm unable to remove/change the password (although I'm sure that would work as I can connect whenever there isn't one). Is there any other way around this?

  5. #5
    Join Date
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    Re: Can't connect to internet when there's a password. Ubuntu 13.04 and Realtek 8723.

    You mean the network key for wireless?

  6. #6
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    Jun 2013
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    Re: Can't connect to internet when there's a password. Ubuntu 13.04 and Realtek 8723.

    Yes, I have the correct password and all my other devices can connect fine.

  7. #7
    Join Date
    Mar 2010
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    Ubuntu 12.04 Precise Pangolin

    Re: Can't connect to internet when there's a password. Ubuntu 13.04 and Realtek 8723.

    Please show us the card and driver in use -
    Code:
    lspci -nnk | grep -iA2 net
    If it is a usb device, then -
    Code:
    lsusb
    lsmod
    If you know the driver in use, please also post -
    Code:
    modinfo <driver name>
    Varun
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    Am I not replying you? Perhaps this is why.

  8. #8
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    Jun 2013
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    Re: Can't connect to internet when there's a password. Ubuntu 13.04 and Realtek 8723.

    I'm at work right now, will update with that info when I get home. Thanks for the help!

  9. #9
    Join Date
    Jun 2013
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    9

    Re: Can't connect to internet when there's a password. Ubuntu 13.04 and Realtek 8723.

    Terminal output for lspci -nnk | grep -iA2 net:

    Code:
    03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8723AE PCIe Wireless Network Adapter [10ec:8723]
        Subsystem: Realtek Semiconductor Co., Ltd. Device [10ec:0726]
        Kernel driver in use: rtl8723ae
    --
    04:00.2 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller [10ec:8168] (rev 0a)
        Subsystem: CLEVO/KAPOK Computer Device [1558:1550]
        Kernel driver in use: r8168

    Terminal output for lsusb:

    Code:
    Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    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:0002 Linux Foundation 2.0 root hub
    Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 001 Device 003: ID 046d:c018 Logitech, Inc. Optical Wheel Mouse
    Bus 001 Device 004: ID 0bda:8723 Realtek Semiconductor Corp. 
    Bus 002 Device 003: ID 147e:1002 Upek 
    Bus 002 Device 004: ID 5986:0308 Acer, Inc


    Terminal output for lsmod:


    Code:
    Module                  Size  Used by
    parport_pc             28284  0 
    ppdev                  17106  0 
    rfcomm                 47863  12 
    snd_hda_codec_hdmi     37407  1 
    bnep                   18258  2 
    joydev                 17613  0 
    snd_hda_codec_via      31915  1 
    coretemp               13596  0 
    kvm_intel             138733  0 
    uvcvideo               82296  0 
    kvm                   452835  1 kvm_intel
    videobuf2_vmalloc      13056  1 uvcvideo
    nouveau              1001310  0 
    arc4                   12573  2 
    snd_hda_intel          44397  3 
    videobuf2_memops       13202  1 videobuf2_vmalloc
    snd_hda_codec         190010  3 snd_hda_codec_hdmi,snd_hda_codec_via,snd_hda_intel
    rtl8723ae              88982  0 
    ghash_clmulni_intel    13259  0 
    rtlwifi                81185  1 rtl8723ae
    i915                  631614  3 
    aesni_intel            55449  0 
    videobuf2_core         40785  1 uvcvideo
    snd_hwdep              13613  1 snd_hda_codec
    snd_pcm               102477  3 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel
    mac80211              656164  1 rtlwifi
    videodev              131329  2 uvcvideo,videobuf2_core
    ttm                    88251  1 nouveau
    drm_kms_helper         49082  2 i915,nouveau
    snd_page_alloc         18798  2 snd_pcm,snd_hda_intel
    snd_seq_midi           13324  0 
    snd_seq_midi_event     14899  1 snd_seq_midi
    snd_rawmidi            30417  1 snd_seq_midi
    aes_x86_64             17131  1 aesni_intel
    psmouse                97838  0 
    drm                   295908  6 ttm,i915,drm_kms_helper,nouveau
    snd_seq                61930  2 snd_seq_midi_event,snd_seq_midi
    cfg80211              547224  2 mac80211,rtlwifi
    xts                    12922  1 aesni_intel
    btusb                  18291  0 
    snd_seq_device         14497  3 snd_seq,snd_rawmidi,snd_seq_midi
    snd_timer              29989  2 snd_pcm,snd_seq
    lrw                    13294  1 aesni_intel
    gf128mul               14951  2 lrw,xts
    bluetooth             251354  22 bnep,btusb,rfcomm
    i2c_algo_bit           13564  2 i915,nouveau
    ablk_helper            13597  1 aesni_intel
    lpc_ich                17060  0 
    mei                    46588  0 
    snd                    69533  16 snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_via,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,snd_seq_device
    serio_raw              13215  0 
    soundcore              12680  1 snd
    cryptd                 20501  3 ghash_clmulni_intel,aesni_intel,ablk_helper
    rtsx_pci_ms            13180  0 
    memstick               16605  1 rtsx_pci_ms
    mxm_wmi                13021  1 nouveau
    microcode              22923  0 
    video                  19467  2 i915,nouveau
    wmi                    19256  2 mxm_wmi,nouveau
    lp                     17799  0 
    parport                46562  3 lp,ppdev,parport_pc
    mac_hid                13253  0 
    hid_generic            12548  0 
    usbhid                 47346  0 
    hid                   101248  2 hid_generic,usbhid
    rtsx_pci_sdmmc         17800  0 
    ahci                   30063  2 
    libahci                32088  1 ahci
    rtsx_pci               33539  2 rtsx_pci_ms,rtsx_pci_sdmmc
    r8168                 260963  0

  10. #10
    squakie is offline I Ubuntu, Therefore, I Am
    Join Date
    Oct 2012
    Beans
    2,238
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Can't connect to internet when there's a password. Ubuntu 13.04 and Realtek 8723.

    post the output of:

    ifconfig

    iwconifg


    Also, I have noticed in the past that sometimes it's best to go into network manager/edit connections and delete any definition that shows there for your network. Then wait a few minutes and try to connect again. It will ask for a password at that point. Please take a desktop snapshot and post it back here. Then enter in your password and when it fails take another screen shot and post it back here as well.

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