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Thread: Wireless connection issues, option for it is gone..

  1. #1
    Join Date
    Jan 2013
    Beans
    10

    Wireless connection issues, option for it is gone..

    I'm using Linux 12.10. I just installed today on my Lenovo G550. At first i had no issues with my Wifi, it was connected. Then(i assume cause i did the software updates and restarted) i could not connect via Wifi, but only Wired. It didn't even have any of the Wireless options anymore. So after looking at a lot of posts i decided to just reinstall. It worked, but i did the software updates again(not thinking that was what caused this), and it once again was gone when i restarted. I can reinstall, but would much rather know the cause of this. Would appreciate it very much if someone could help a noob like myself out. Thank you.
    Last edited by FruitPunchSamurai; January 17th, 2013 at 02:34 AM.

  2. #2
    Join Date
    Nov 2011
    Beans
    28

    Re: Wireless connection issues, option for it is gone..

    Open a terminal and enter this into the terminal
    Code:
    sudo lspci -nn
    then post the output back on here.

    and welcome to Ubuntu!

  3. #3
    Join Date
    Jan 2013
    Beans
    10

    Re: Wireless connection issues, option for it is gone..

    hmmm, i did that. This is what i got. For some reason i can't enter my password. Which i assume is my login password. the terminal is Ctrl+Alt+T, correct?

    ian@Fruit-Punch-Samurai:~$ sudo lspci -nn
    [sudo] password for ian:

  4. #4
    Join Date
    Jan 2013
    Beans
    10

    Re: Wireless connection issues, option for it is gone..

    sorry, it not showing up confused me. Here ya go, thank you.

    00:00.0 Host bridge [0600]: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub [8086:2a40] (rev 09)
    00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 09)
    00:02.1 Display controller [0380]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a43] (rev 09)
    00:1a.0 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 [8086:2937] (rev 03)
    00:1a.1 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 [8086:2938] (rev 03)
    00:1a.2 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 [8086:2939] (rev 03)
    00:1a.7 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 [8086:293c] (rev 03)
    00:1b.0 Audio device [0403]: Intel Corporation 82801I (ICH9 Family) HD Audio Controller [8086:293e] (rev 03)
    00:1c.0 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 [8086:2940] (rev 03)
    00:1c.1 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2 [8086:2942] (rev 03)
    00:1c.2 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 3 [8086:2944] (rev 03)
    00:1c.3 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 4 [8086:2946] (rev 03)
    00:1c.5 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 6 [8086:294a] (rev 03)
    00:1d.0 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 [8086:2934] (rev 03)
    00:1d.1 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 [8086:2935] (rev 03)
    00:1d.2 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 [8086:2936] (rev 03)
    00:1d.7 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 [8086:293a] (rev 03)
    00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev 93)
    00:1f.0 ISA bridge [0601]: Intel Corporation ICH9M LPC Interface Controller [8086:2919] (rev 03)
    00:1f.2 SATA controller [0106]: Intel Corporation 82801IBM/IEM (ICH9M/ICH9M-E) 4 port SATA Controller [AHCI mode] [8086:2929] (rev 03)
    00:1f.3 SMBus [0c05]: Intel Corporation 82801I (ICH9 Family) SMBus Controller [8086:2930] (rev 03)
    00:1f.6 Signal processing controller [1180]: Intel Corporation 82801I (ICH9 Family) Thermal Subsystem [8086:2932] (rev 03)
    04:00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g LP-PHY [14e4:4315] (rev 01)
    07:00.0 Ethernet controller [0200]: Broadcom Corporation NetLink BCM5906M Fast Ethernet PCI Express [14e4:1713] (rev 02)

  5. #5
    Join Date
    Jan 2013
    Beans
    10

    Re: Wireless connection issues, option for it is gone..

    Sorry guys, i know there is a lot of information about this already(and ive been looking at it). I just feel i have done something to complicate things, cause everything insists the wireless/hidden wireless option is there. I think i deleted the connection by accident, but i don't understand why that option isn't in the menu anymore...

  6. #6
    Join Date
    Jan 2013
    Beans
    10

    Re: Wireless connection issues, option for it is gone..

    http://askubuntu.com/questions/76207...network-center

    this seems to be very similar to what i am experiencing. If you were confused by what i meant about the wireless option not being there.

  7. #7
    Join Date
    Jan 2013
    Beans
    10

    Re: Wireless connection issues, option for it is gone..

    Ok, i did a fresh install of Ubuntu. It fixed my problem, and i was able to use Wifi. Then i downloaded all the software updates, then once i restarted the same thing happened(the option for wireless is gone again ext). So i assume it has something to do with that software update, cause that is basically what happened last time. Here is the results of the Terminal command after the fresh install. Would really appreciate some help, couldn't figure this out by searching other posts.

    00:00.0 Host bridge [0600]: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub [8086:2a40] (rev 09)
    00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 09)
    00:02.1 Display controller [0380]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a43] (rev 09)
    00:1a.0 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 [8086:2937] (rev 03)
    00:1a.1 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 [8086:2938] (rev 03)
    00:1a.2 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 [8086:2939] (rev 03)
    00:1a.7 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 [8086:293c] (rev 03)
    00:1b.0 Audio device [0403]: Intel Corporation 82801I (ICH9 Family) HD Audio Controller [8086:293e] (rev 03)
    00:1c.0 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 [8086:2940] (rev 03)
    00:1c.1 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2 [8086:2942] (rev 03)
    00:1c.2 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 3 [8086:2944] (rev 03)
    00:1c.3 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 4 [8086:2946] (rev 03)
    00:1c.5 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 6 [8086:294a] (rev 03)
    00:1d.0 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 [8086:2934] (rev 03)
    00:1d.1 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 [8086:2935] (rev 03)
    00:1d.2 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 [8086:2936] (rev 03)
    00:1d.7 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 [8086:293a] (rev 03)
    00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev 93)
    00:1f.0 ISA bridge [0601]: Intel Corporation ICH9M LPC Interface Controller [8086:2919] (rev 03)
    00:1f.2 SATA controller [0106]: Intel Corporation 82801IBM/IEM (ICH9M/ICH9M-E) 4 port SATA Controller [AHCI mode] [8086:2929] (rev 03)
    00:1f.3 SMBus [0c05]: Intel Corporation 82801I (ICH9 Family) SMBus Controller [8086:2930] (rev 03)
    00:1f.6 Signal processing controller [1180]: Intel Corporation 82801I (ICH9 Family) Thermal Subsystem [8086:2932] (rev 03)
    04:00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g LP-PHY [14e4:4315] (rev 01)
    07:00.0 Ethernet controller [0200]: Broadcom Corporation NetLink BCM5906M Fast Ethernet PCI Express [14e4:1713] (rev 02)

  8. #8
    Join Date
    Jan 2013
    Beans
    10

    Re: Wireless connection issues, option for it is gone..

    Anyone? I could really use some help with this.

  9. #9
    iMac71 is offline Gee! These Aren't Roasted!
    Join Date
    Dec 2012
    Beans
    171

    Re: Wireless connection issues, option for it is gone..

    since you have a Broadcom BCM4312 wireless card, it might help you to give a look to the following guide:
    https://help.ubuntu.com/community/Wi...Driver/bcm43xx

  10. #10
    Join Date
    Feb 2009
    Location
    Hull, England
    Beans
    Hidden!
    Distro
    Kubuntu 12.04 Precise Pangolin

    Re: Wireless connection issues, option for it is gone..

    Just see if your problem is the same as mine with 12.10.
    If I restart my computer, I lose wireless connection totally.
    But if I shut the computer down & switch back on, wireless is fine.
    Stab in the dark, but worth a try.

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