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Thread: Wifi not working in Acer Aspire 5750-6589

  1. #1
    Join Date
    Apr 2013
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    6

    Wifi not working in Acer Aspire 5750-6589

    I installed Ubuntu 12.04 but the wifi is not working. The internet icon on the desktop shows "Wired Network disconnected". Please help. I am new to Ubuntu.

  2. #2
    Join Date
    Aug 2011
    Location
    Berlin, Germany
    Beans
    5,886
    Distro
    Ubuntu Gnome 14.04 Trusty Tahr

    Re: Wifi not working in Acer Aspire 5750-6589

    Hi,

    please open a terminal with CTRL+ALT+T and show the outputs of these commands:
    Code:
    lspci -nnk | grep -iA2 net
    lsmod
    iwconfig
    rfkill list
    Cable connection works?

  3. #3
    Join Date
    Apr 2013
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    6

    Re: Wifi not working in Acer Aspire 5750-6589

    Code:
    manish310794@ubuntu:~$ lspci -nnk | grep -iA2 net
    02:00.0 Ethernet controller [0200]: Broadcom Corporation NetLink BCM57785 Gigabit Ethernet PCIe [14e4:16b5] (rev 10)
               Subsystem: Acer Incorporated [ALI] Device [1025:0504]
               Kernel driver in use: tg3
    _ _
    02:00.1 SD Host controller [0805]: Broadcom Corporation NetXtreme BCM57765 Memory Card Reader [14e4:16bc] (rev 10)
               Subsystem: Acer Incorporated [ALI] Device [1025:0504]
               Kernel driver in use: sdhci-pci
    _ _
    03:00.0 Network controller [0280]: Broadcom Corporation BCM43227 802.11b/g/n [14e4:4358]
               Subsystem: Foxconn International, Inc. Device [105b:e040]
    05:00.0 USB controller [0c03]: NEC Corporation uPD720200 USB 3.0 Host Controller [1033:0194] (rev 04)

  4. #4
    Join Date
    Apr 2013
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    6

    Re: Wifi not working in Acer Aspire 5750-6589

    Code:
    manish310794@ubuntu:~$ lsmod
    Module                                                    Size                  Used by
    snd_hda_codec_hdmi                               32476                     1
    snd_hda_codec_realtek                            79756                     1
    coretemp                                               13642                     0
    kvm_intel                                              137888                    0
    kvm                                                      422160                  1 kvm_intel
    ghash_clmulni_intel                                 13221                      0
    cryptd                                                  20531                    1 ghash_clmulni_intel
    joydev                                                  17694                    0
    acer_wmi                                              32845                     0
    sparse_keymap                                      13891                     1 acer_wmi
    microcode                                             23030                     0
    snd_hda_intel                                        34117                     3
    snd_hda_codec                                    135141                    3 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel
    snd_hwdep                                           17765                      1 snd_hda_codec
    snd_pcm                                              97523                     3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
    snd_seq_midi                                        13325                     0
    psmouse                                             102075                    0
    serio_raw                                            13216                       0
    snd_rawmidi                                         30750                     1 snd_seq_midi
    lpc_ich                                               17145                       0
    snd_seq_midi_event                              14900                     1 snd_seq_midi
    snd_seq                                             61931                      2 snd_seq_midi,snd_seq_midi_event
    uvcvideo                                            78117                      0
    videobuf2_core                                    33025                     1 uvcvideo
    videodev                                           125126                    2 uvcvideo,videobuf2_core
    videobuf2_vmalloc                               12861                      1 uvcvideo
    videobuf2_memops                              13405                      1 vediobuf2_vmalloc
    snd_timer                                          29990                      2 snd_pcm,snd_seq
    snd_seq_device                                 14498                      3 snd_seq_midi,snd_rawmidi,snd_seq
    snd                                                  83674                      16 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
    soundcore                                         15092                      1 snd
    snd_page_alloc                                   18573                     2 snd_hda_intel,snd_pcm
    mei                                                  41410                      0
    parport_pc                                        32867                      0
    rfcomm                                             47562                      0
    ppdev                                              17114                      0
    lp                                                    17800                      0
    parport                                            46563                       3 parport_pc,ppdev,lp
    bnep                                               18240                      2
    bluetooth                                        211812                     10 rfcomm,bnep
    mac_hid                                           13254                       0
    i915                                               530857                      3
    drm_kms_helper                                49259                       1 i915
    drm                                               290344                       4 i915,drm_kms_helper
    tg3                                                156594                     0
    sdhci_pci                                         18749                      0
    sdhci                                              33145                      1 sdhci_pci
    i2c_algo_bit                                    13565                       1 i915
    video                                             19598                       2 acer_wmi,i915
    wmi                                               19257                       1 acer_wmi

  5. #5
    Join Date
    Apr 2013
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    6

    Re: Wifi not working in Acer Aspire 5750-6589

    Code:
    manish310794@ubuntu:~$ iwconfig
    eht0         no wireless extensions
    lo             no wireless extensions
    I would like to mention one thing that when I use my Windows 7 (my pc is on dual boot) the wifi works absolutely well. But as soon as I boot the Ubuntu, my wifi would refuse to turn on no matter how many times I press my wifi function key.

  6. #6
    Join Date
    Apr 2013
    Beans
    6

    Re: Wifi not working in Acer Aspire 5750-6589

    Code:
    manish310794@ubuntu:~$ rfkill list
    0: acer-wireless: Wireless LAN
               Soft blocked: no
               Hard blocked: no
    manish310794@ubuntu:~$

  7. #7
    Join Date
    Aug 2011
    Location
    Berlin, Germany
    Beans
    5,886
    Distro
    Ubuntu Gnome 14.04 Trusty Tahr

    Re: Wifi not working in Acer Aspire 5750-6589

    Install the Broadcom-STA driver via cable connection. ->"Additional drivers"

  8. #8
    Join Date
    Apr 2013
    Beans
    6

    Re: Wifi not working in Acer Aspire 5750-6589

    I have downloaded Broadcom-STA driver. What to do next? How can I install it?

  9. #9
    Join Date
    Apr 2012
    Beans
    Hidden!

    Re: Wifi not working in Acer Aspire 5750-6589

    Hi, from a wired connection
    please do..
    Code:
    sudo apt-get install bcmwl-kernel-source
    sudo modprobe wl
    thanks.
    Craving anchovy, herring and squid pizza.....with clam sauce

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