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Thread: Toshiba Satellite C855 wireless not working on a clean install, Ubuntu 12.04 LTS

  1. #11
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    Re: Toshiba Satellite C855 wireless not working on a clean install, Ubuntu 12.04 LTS

    Unfortunately, I am not getting the same results that the other posted was getting. The first time I followed the instructions in that post, "Enable Wireless" appeared. However, no networks were found. I rebooted my laptop and the router as he did, but now the "Enable Wireless" option is gone again. Redoing the steps did not yield any results (the enable wireless option doesnt even appear now)

  2. #12
    Join Date
    Aug 2005
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    South Carolina, USA
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    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Toshiba Satellite C855 wireless not working on a clean install, Ubuntu 12.04 LTS

    Let's follow the same diagnostic process:
    Code:
    dmesg | grep rtl
    lsmod | grep rtl
    iwconfig
    Thanks.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  3. #13
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    Re: Toshiba Satellite C855 wireless not working on a clean install, Ubuntu 12.04 LTS

    Sure thing.

    Code:
    dmesg | grep rtl
    Code:
     lsmod | grep rtl
    rtl8192ce              53780  0 
    rtl8192c_common        47696  1 rtl8192ce
    rtlwifi                65273  1 rtl8192ce
    mac80211              475488  3 rtl8192ce,rtl8192c_common,rtlwifi
    cfg80211              181041  2 rtlwifi,mac80211
    Code:
    iwconfig
    lo        no wireless extensions.

  4. #14
    Join Date
    Aug 2005
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    South Carolina, USA
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    19,957
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Toshiba Satellite C855 wireless not working on a clean install, Ubuntu 12.04 LTS

    Let's retrace the firmware step:
    Code:
    ls -al /lib/firmware/rtlwifi
    Then please reboot and let me see:
    Code:
    dmesg | grep rtl
    Thanks.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  5. #15
    Join Date
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    Re: Toshiba Satellite C855 wireless not working on a clean install, Ubuntu 12.04 LTS

    Code:
    ls -al /lib/firmware/rtlwifi
    total 456
    drwxr-xr-x  2 root root   4096 Mar 26 18:53 .
    drwxr-xr-x 62 root root   4096 Feb 13 17:09 ..
    -rwxr-xr-x  1 root root   2115 Mar 26 18:57 Realtek-Firmware-License.txt
    -rw-r--r--  1 root root  13540 Mar 26 18:57 rtl8192cfw.bin
    -rwxr-xr-x  1 root root  14800 Mar 26 18:57 rtl8192cfwU_B.bin
    -rwxr-xr-x  1 root root  14818 Mar 26 18:57 rtl8192cfwU.bin
    -rw-r--r--  1 root root  16014 Jul 20  2012 rtl8192cufw.bin
    -rwxr-xr-x  1 root root  20526 Mar 26 18:57 rtl8192defw_12.bin
    -rw-r--r--  1 root root  22978 Mar 26 18:57 rtl8192defw.bin
    -rw-r--r--  1 root root  80208 Mar 26 18:57 rtl8192sefw.bin
    -rwxr-xr-x  1 root root  88856 Mar 26 18:57 rtl8192sefw.old.bin
    -rw-r--r--  1 root root 129304 Jul 20  2012 rtl8712u.bin
    -rwxr-xr-x  1 root root  22996 Mar 26 18:57 rtl8723fw_B.bin
    -rwxr-xr-x  1 root root  11662 Mar 26 18:57 rtl8723fw.bin


    Code:
    dmesg | grep rtl
    [   10.033514] rtl8192ce: ****** This B_CUT device may not work with kernels 3.6 and earlier
    [   10.033516] rtl8192ce: Using firmware rtlwifi/rtl8192cfwU_B.bin
    [   10.197612] ieee80211 phy0: Selected rate control algorithm 'rtl_rc'
    [   10.197839] rtlwifi: wireless switch is on
    I'm not exactly sure how that changed anything.. but I am currently posting from the laptop that couldn't previously connect to the internet. What is this magic?

  6. #16
    Join Date
    Aug 2005
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    South Carolina, USA
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    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Toshiba Satellite C855 wireless not working on a clean install, Ubuntu 12.04 LTS

    Quote Originally Posted by bruti View Post
    [CODE]

    I'm not exactly sure how that changed anything.. but I am currently posting from the laptop that couldn't previously connect to the internet. What is this magic?
    I'm not sure. Perhaps it needed a little encouragement, also known as a reboot!

    I'm glad it's working by whatever means. Have fun!
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  7. #17
    Join Date
    Jan 2013
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    20

    Re: Toshiba Satellite C855 wireless not working on a clean install, Ubuntu 12.04 LTS

    I just find it odd that it did not work after the first reboot, but it did after the second.
    You've effectively troubleshooted and solved an issue for me in regards to my PC and Laptop wireless issues.

    I'm beginning to think there is no wireless issue you can't solve

    Edit: Marked as solved.
    Thank you very much, it would have been terrible to keep going to school without wireless!
    Last edited by bruti; March 27th, 2013 at 10:29 PM.

  8. #18
    Join Date
    Aug 2005
    Location
    South Carolina, USA
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    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Toshiba Satellite C855 wireless not working on a clean install, Ubuntu 12.04 LTS

    I'm beginning to think there is no wireless issue you can't solve
    I wish it were so. There are a few I've lost over the yaers. Thanks for your nice comments.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

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