tantos

nek wedi ojo wani-wani, nek wani ojo wedi-wedi

How To : Karmic Koala and Broadcom Wireless BCM4312 rev 01

November7

Update Nov 11, 2009 :

Do not follow this post and please update your installed package using your favorite package manager such Synaptic or apt-get or whatever and your Broadcom BCM4312 will working properly :

sudo apt-get update
sudo apt-get upgrade
sudo apt-get install linux-backports-modules-karmic

If your Broadcom wireless BCM4312 did not working after upgrading your packages because of you did what this post say, please roll back your changes :

#unblacklist ssb module :
sudo echo "" >> /etc/modprobe.d/blacklist-ssb.conf
#unblacklist wl module :
sudo echo "" >> /etc/modprobe.d/blacklist-wl.conf
#restarting your system :
sudo reboot

[ad#ad-posttext]
For a week I can’t use my wireless. This problem makes me installing fresh Ubuntu Karmic Koala in my lapie for 3 times, sadly :( .
First of all, if your system same as my own, just try this trick. But if different, hmm, try with google :D .
I found this trick from Ubuntu Forum posted by chenxiaolong, thanks chenx, you save my lapie.
So, open your terminal, and check your wireless first :

lspci | grep Broadcom
03:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g (rev 01)

If your wireless looks like that, let’s continue :

#install linux backport :
sudo apt-get install linux-backports-modules-karmic
#blacklist ssb module :
sudo echo "blacklist ssb" | sudo tee -a /etc/modprobe.d/blacklist-ssb.conf
#blacklist wl module :
sudo echo "blacklist wl" | sudo tee -a /etc/modprobe.d/blacklist-wl.conf
#restarting your system :
sudo reboot

That’s all, after restarting, enjoy your wireless :)
[ad#ad-post]

Related posts:

  1. How To : Internet Connection using CDMA EVDO Modem and Karmic Koala (Ubuntu 9.10)
  2. How To : Karmic Koala and Canon PIXMA iP1800-iP1900
  3. Waiting For Ubuntu 9.10 Release
10 Comments to

“How To : Karmic Koala and Broadcom Wireless BCM4312 rev 01”

  1. Avatar November 9th, 2009 at 2:41 pm William Says:

    Mas Tantos, salam kenal. Mohon petunjuknya utk newbie Linux. Baru pertama kalinya saya mencoba memakai Linux dan saya mencoba Ubuntu Karmic Koala. Karena butanya saya terhadap command2 Linux maupun kebiasaan2 Linux, saya sangkut di tahapan #install linux backport. Katanya gini:
    E: Couldn’t find package linux-backports-modules-karmic

    Mohon saran dan petunjuknya. Terima kasih banyak.


  2. Avatar November 9th, 2009 at 2:55 pm tantos Says:

    @mas William
    salam kenal juga bos.
    Pertamax-tamax, marilah kita buka menu : System->Administration->Software Sources
    Pada tab pertamax (Ubuntu Software), ada Combobox “Download From”, pilihlah yg paling dekat dengan Anda. Klo saya meskipun lagi di UGM, saya pilih UI (Indonesia->kambing.ui.ac.id)
    Tutup window Software sources.

    Keduax-keduak, marilah kita buka menu : System->Administration->Synaptic Package Manager.
    Lalu klik tombol reload (ini gunanya untuk mengindex program”/paket” yg ada di server yg Anda pilih tadi).

    Ketigax-ketigax. Apakah Anda punya masalah sama seperti postingan ini? klo tidak, ya sudah, cukup sampe disini, Anda bisa menginstall program yg Anda butuhkan dari kolom Quick search di Synaptic tersebut.
    klo iya, bisa Anda lakukan dari Synaptic Package Manager ada kolom Quick search, disitu tulis aja linux-backports-modules-karmic, nanti pasti muncul.

    Keempatx-empatx, centangin yg linux-backports-modules-karmic (nomor 1 dari hasil pencarian), lalu Apply. Kalo udah selesai installnya, kembali ke terminal, ketikkan :
    sudo su [ENTER, masukkan password]
    echo “blacklist ssb” | sudo tee -a /etc/modprobe.d/blacklist-ssb.conf [ENTER]
    echo “blacklist wl” | sudo tee -a /etc/modprobe.d/blacklist-wl.conf [ENTER]
    reboot [ENTER]

    udah, gitu aja kok bos


  3. Avatar November 9th, 2009 at 5:59 pm William Says:

    Kepada Mas Tantos yang amat sangat baik hati sekali… saya ucapkan bnyk terima kasih! Senangnya WiFi saya uda bisa nyala! Woohooo!

    Thx for the quick reply too! Never thought you would reply me that fast. It took me some time to refresh the synaptic index, never know why all these Linux servers are terribly slow. After that, follow your instructions, piece a cake, and viola… my WLAN is up and running! Makasih sekali lagi…


  4. Avatar November 16th, 2009 at 9:47 pm andif Says:

    thanks ya atas sharenya
    salam,


  5. Avatar November 24th, 2009 at 2:35 pm akhsan Says:

    mas tantos yang baik hati (wawawawawa)
    di acer aspire nya nyonya juga udah jalan wifi nya tapi file yang musti dikosongi ini /etc/modprobe.d/blacklist-bcm43.conf , terima kasih ya


  6. Avatar January 19th, 2010 at 2:20 pm dadoeng Says:

    dear bro tantos,

    salam kenal, gw baru aja pake karmic sebelum2 ya paka jack jaunty. pada 9,04 gak ada masalah dengan wireless driver gw. tapi pas gw pake karmic, malah wireless bermasalah. bingung gw, semua yang ada pada perintah di atas (yang bro tampilkan) sudah saya lakukan tapi tetap aja tidak bisa. ketika hardware driver gw aktivin muncul cannot activated coba cek di var/log/jockey.log. setelah gw cek di situ, ternyata module wl tidak ditemukan. so apa yang saya harus lakukan? mohon infonya…


  7. Avatar May 25th, 2010 at 7:58 pm blueholic Says:

    waduh klo ngk ada koneksi ngk bs kah mas?
    acer ku seri 4720z make wifi broadcom masih non detect gt
    ada cara y ngk perlu koneksi internet ngk y???


  8. Avatar June 7th, 2010 at 4:25 pm ihsan Says:

    mas, saya bbrp wakti lalu install ubuntu lucid netbook edition, sy mo nanya.. lampu wifinya nyala, tp kok oranye.. kl wjrnya kyknya biru, trus pas dicb di hotspotan bsa, tp sinyalnya naik turun.. gak stabil kdang –kb/s, pdhl sinyal hotspotnya 70%an. netbok sy acer one 532h.. wifinya atheros.. makasih sblmnya.


  9. Avatar June 10th, 2010 at 1:58 pm ridwan Says:

    Mas, minta bantuannya. Laptop saya aspire 4720z, pake ubuntu lucid. Masalahnya pada wifinya ga kedetect, klo pada ubuntu sebelumnya saya nginstallnya lewat internet, jadi bisa, klo sekarang gimana caranya install ga pake koneksi internet ya? maslahnya lagi tidak memungkinkan ada koneksi internet ke laptop.

    (NB: Saya sudah mencoba menggunakan NDISGTK. tapi tetap tidak bisa)

    terima kasih, mohon bantuannya


  10. Avatar February 5th, 2011 at 7:34 pm Qhoel Says:

    mz……… tolong dung cara instal wifi di linux tapi ga connec internet… :(


Email will not be published

Website example

Your Comment:

[+] kaskus emoticons