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Thread: Wireless extremely unstable in Dell Inspiron N4050

  1. #1
    Join Date
    Apr 2013
    Beans
    2

    Unhappy Wireless extremely unstable in Dell Inspiron N4050

    Hi there,

    I'm having trouble from a long time with my wireless on my notebook, and I don't know what do to. Briefly, this is my case:

    -I bought this notebook (Dell Inspiron N4050) with Ubuntu, and changed to Kubuntu later. Also it has dual boot for Windows Vista, wich I rarely use
    -It takes a lot of trials on Wicd to connect, even if the wireless signal is strong
    -After a lot of trials, when it finally connects, then the connection falls when I try to open the first page on a browser. So I try to connect
    again and then the connection is stable.
    -But yesterday, updating the distro, I just can't connect, unless I wire it. After many attempts to connect, the connection is extremely unstable and will fall on the first first page opening, as before, but now, I can't get a stable connection after this.

    I'm not good with Terminal, but I can copy and paste stuff there and follow instructions if anyone can help me.

    thanks in advance

    silvia

  2. #2
    Join Date
    Mar 2012
    Location
    Near one of my computers
    Beans
    307
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Wireless extremely unstable in Dell Inspiron N4050

    Please post output of
    Code:
    lspci | grep -i net
    Code:
    rfkill list
    Code:
    lsmod
    Please post the results in [code][/code] tags.

    Thanks,

    Kopkins

  3. #3
    Join Date
    Aug 2009
    Beans
    365

    Re: Wireless extremely unstable in Dell Inspiron N4050

    I would advise you to boot into vista to try to surf the net, etc, to eliminate that your wireless card may be dying.

  4. #4
    Join Date
    Apr 2013
    Beans
    2

    Re: Wireless extremely unstable in Dell Inspiron N4050

    Code:
    05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 05)
    09:00.0 Network controller: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) (rev 01)
    Code:
    0: hci0: Bluetooth
            Soft blocked: no
            Hard blocked: no
    1: phy0: Wireless LAN
            Soft blocked: no
            Hard blocked: no
    Code:
    Module                  Size  Used by
    bnep                   18036  2 
    parport_pc             28152  0 
    rfcomm                 42641  16 
    ppdev                  17073  0 
    arc4                   12615  2 
    ath9k                 149924  0 
    joydev                 17377  0 
    coretemp               13355  0 
    ath9k_common           14055  1 ath9k
    kvm_intel             132891  0 
    ath9k_hw              413680  2 ath9k_common,ath9k
    snd_hda_codec_hdmi     36913  1 
    kvm                   443165  1 kvm_intel
    ath                    23827  3 ath9k_common,ath9k,ath9k_hw
    mac80211              606457  1 ath9k
    snd_hda_codec_idt      70256  1 
    ghash_clmulni_intel    13259  0 
    snd_hda_intel          39619  3 
    snd_hda_codec         136453  3 snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_intel
    aesni_intel            55399  1 
    snd_hwdep              13602  1 snd_hda_codec
    cfg80211              510937  3 ath,ath9k,mac80211
    snd_pcm                97451  3 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel
    aes_x86_64             17255  1 aesni_intel
    xts                    12885  1 aesni_intel
    lrw                    13257  1 aesni_intel
    gf128mul               14951  2 lrw,xts
    snd_page_alloc         18710  2 snd_pcm,snd_hda_intel
    snd_seq_midi           13324  0 
    snd_seq_midi_event     14899  1 snd_seq_midi
    ablk_helper            13597  1 aesni_intel
    mei                    41158  0 
    psmouse                95870  0 
    snd_rawmidi            30180  1 snd_seq_midi
    snd_seq                61554  2 snd_seq_midi_event,snd_seq_midi
    dell_laptop            17369  0 
    snd_seq_device         14497  3 snd_seq,snd_rawmidi,snd_seq_midi
    cryptd                 20373  3 ghash_clmulni_intel,aesni_intel,ablk_helper
    dell_wmi               12681  0 
    lpc_ich                17061  0 
    sparse_keymap          13890  1 dell_wmi
    dcdbas                 14397  1 dell_laptop
    serio_raw              13215  0 
    lp                     17759  0 
    btusb                  22474  0 
    snd_timer              29425  2 snd_pcm,snd_seq
    snd                    68876  16 snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_idt,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,snd_seq_device
    microcode              22881  0 
    soundcore              12680  1 snd
    bluetooth             228619  22 bnep,btusb,rfcomm
    parport                46345  3 lp,ppdev,parport_pc
    mac_hid                13205  0 
    hid_generic            12540  0 
    usbhid                 47074  0 
    hid                   101002  2 hid_generic,usbhid
    i915                  600351  3 
    i2c_algo_bit           13413  1 i915
    wmi                    19070  1 dell_wmi
    video                  19390  1 i915
    drm_kms_helper         49394  1 i915
    drm                   286313  4 i915,drm_kms_helper
    ahci                   25731  2 
    libahci                31364  1 ahci
    r8169                  67446  0
    sorry or the delay, I moved to wired connection and forgot this tread #shame
    But I had other problems with my connection, that is too slow by now. I don't have windows anymore, I did a fresh install of Kubuntu today,
    and erased it. Wifi seems to be ok now. We tried to use wicd, but it didnt work. I'm using another stuff that I believe is native on kubuntu.
    now my problem is internet speed, it is slow even on wired connection. Should I post another thread?

    thanks a lot for your help!

    s

  5. #5
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    14,691
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Wireless extremely unstable in Dell Inspiron N4050

    Thread moved to Networking & Wireless.

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