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Thread: I installed driver for wired networking and lost my WiFi. How can I get it back?

  1. #1
    Join Date
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    I installed driver for wired networking and lost my WiFi. How can I get it back?

    Admins, I decided to post here and there is an earlier post exactly like it in the beginner's forum. Please delete that one so I'm not cluttering up the system with duplicate posts. Thank you!

    I had alx installed before and it worked well with the WiFi. In the mean time, I changed my install to 12.04LTS on an external HDD then again installed alx for ethernet.

    The only other thing I have done is plug in my mobile broadband adapter and play around in Ubuntu to see if it would connect. I did not download any additional software for that, just followed the networking prompts that Ubuntu presented me to select country and service provider. It didn't work so I didn't worry about it since I felt I would be able to fall back on WiFi which had been doing well enough.

    Now, I don't even have the option of looking for available WiFi signals. I would like to get that feature back but don't know how to go about it. I doubt that alx is causing a conflict since it was working well with WiFi when I had 12.10 installed as dual boot and WiFi was working on 12.04LTS before I started playing around with the mobile broadband stuff.

    Thanks in advance! I know you folks will come through for me!
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  2. #2
    Join Date
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    Ubuntu 12.04 Precise Pangolin

    Re: I installed driver for wired networking and lost my WiFi. How can I get it back?

    Hi, did you shutdown your dongle ad reboot?

    Did you install updates?

    Copy and paste this command in the terminal (ctrl+alt+t) please:
    Code:
    wget -N -t 5 -T 10 http://dl.dropbox.com/u/57264241/wireless_script && chmod +x wireless_script && ./wireless_script
    It will download a script and create a text file in your home folder with wireless information so we can see the condition of your wireless at this time and the Mac address, WPA key and WEP key are removed for your security, then reply back, click on the paper clip and attach the netinfo.txt file.
    Thanks

  3. #3
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    Re: I installed driver for wired networking and lost my WiFi. How can I get it back?

    Quote Originally Posted by Wild Man View Post
    Hi, did you shutdown your dongle ad reboot?

    Did you install updates?

    Copy and paste this command in the terminal (ctrl+alt+t) please:
    Code:
    wget -N -t 5 -T 10 http://dl.dropbox.com/u/57264241/wireless_script && chmod +x wireless_script && ./wireless_script
    Yes, I did take out the dongle and reboot.

    Unfortunately, in Ubuntu, I'm without internet access. No wired connection at my location right now but windows does let me use my Verizon Mobile Broadband.

    I'm looking at the command and it looks like I could download the file while in Windows and put it on a DVD to run. Would that work? Not sure of the exact steps to do that though.
    Last edited by alhefner; April 17th, 2013 at 07:41 PM. Reason: added info
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  4. #4
    Join Date
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    Re: I installed driver for wired networking and lost my WiFi. How can I get it back?

    You can do it this way:
    Copy and paste this command in the terminal (ctrl+alt+t) please:
    Code:
    wget -N -t 5 -T 10 http://dl.dropbox.com/u/57264241/wireless_script && chmod +x wireless_script && ./wireless_script
    It will download a script and create a text file in your home folder with wireless information so we can see the condition of your wireless at this time and the Mac address, WPA key and WEP key are removed for your security, then reply back, click on the paper clip and attach the netinfo.txt file.

    If you do not have ethernet either then follow the directions at this link for running the script without internet.
    http://ubuntuforums.org/showpost.php?p=12350385

    You need to be where the network is at that you want to connect to so we can see what those settings are when you run the script.
    Thanks

  5. #5
    Join Date
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    Re: I installed driver for wired networking and lost my WiFi. How can I get it back?

    Quote Originally Posted by Wild Man View Post
    If you do not have ethernet either then follow the directions at this link for running the script without internet.
    http://ubuntuforums.org/showpost.php?p=12350385

    You need to be where the network is at that you want to connect to so we can see what those settings are when you run the script.
    Thanks
    Well, I downloaded the script and ran it. Got no output file at all. Several wireless networks are available here if I can get WiFi to work.

    Perhaps I need to see what wireless devices are seen by Ubuntu / Linux and go from there. It really was working well at one time but now does not show up at all in the network options.
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  6. #6
    Join Date
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    Re: I installed driver for wired networking and lost my WiFi. How can I get it back?

    It did not create the netinfo.txt file in your home folder?

    Perhaps I need to see what wireless devices are seen by Ubuntu / Linux and go from there.
    that is one of the things the wireless script does and so much more.
    Thanks

  7. #7
    Join Date
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    Re: I installed driver for wired networking and lost my WiFi. How can I get it back?

    The script did not generate the file at all. I tried just running it with the "Run" button and got nothing then tried running it in a terminal and only got a flash of terminal and then nothing.

    My wireless device is - Realtek RTL8188CE Wireless Lan 802.11n PCI-E NIC -. I did some more searching and found that folks are doing the things below to investigate their system. Maybe the results can help things along.
    Code:
    lspci result:
    
    alan@alan-Satellite-C855:~$ lspci
    00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
    00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
    00:14.0 USB controller: Intel Corporation Panther Point USB xHCI Host Controller (rev 04)
    00:16.0 Communication controller: Intel Corporation Panther Point MEI Controller #1 (rev 04)
    00:1a.0 USB controller: Intel Corporation Panther Point USB Enhanced Host Controller #2 (rev 04)
    00:1b.0 Audio device: Intel Corporation Panther Point High Definition Audio Controller (rev 04)
    00:1c.0 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 1 (rev c4)
    00:1c.1 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 2 (rev c4)
    00:1d.0 USB controller: Intel Corporation Panther Point USB Enhanced Host Controller #1 (rev 04)
    00:1f.0 ISA bridge: Intel Corporation Panther Point LPC Controller (rev 04)
    00:1f.2 SATA controller: Intel Corporation Panther Point 6 port SATA Controller [AHCI mode] (rev 04)
    00:1f.3 SMBus: Intel Corporation Panther Point SMBus Controller (rev 04)
    01:00.0 Ethernet controller: Atheros Communications Inc. AR8162 Fast Ethernet (rev 10)
    02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter (rev 01)
    alan@alan-Satellite-C855:~$ 
    
    lsusb result:
    
    alan@alan-Satellite-C855:~$ lsusb
    Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 003 Device 004: ID 046d:c52b Logitech, Inc. Unifying Receiver
    Bus 003 Device 003: ID 0bc2:5031 Seagate RSS LLC FreeAgent GoFlex USB 3.0
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 001 Device 003: ID 0bda:0129 Realtek Semiconductor Corp. 
    Bus 001 Device 004: ID 10f1:1a3d Importek 
    
    sudo lshw -C NETWORK result:
    
    alan@alan-Satellite-C855:~$ sudo lshw -C NETWORK
    [sudo] password for alan: 
      *-network               
           description: Ethernet interface
           product: AR8162 Fast Ethernet
           vendor: Atheros Communications Inc.
           physical id: 0
           bus info: pci@0000:01:00.0
           logical name: eth0
           version: 10
           serial: 00:26:6c:17:da:3a
           capacity: 100Mbit/s
           width: 64 bits
           clock: 33MHz
           capabilities: pm pciexpress msi msix bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd autonegotiation
           configuration: autonegotiation=on broadcast=yes driver=alx firmware=alx latency=0 link=no multicast=yes port=twisted pair
           resources: irq:43 memory:b8500000-b853ffff ioport:3000(size=128)
      *-network
           description: Network controller
           product: RTL8188CE 802.11b/g/n WiFi Adapter
           vendor: Realtek Semiconductor Co., Ltd.
           physical id: 0
           bus info: pci@0000:02:00.0
           version: 01
           width: 64 bits
           clock: 33MHz
           capabilities: pm msi pciexpress bus_master cap_list
           configuration: driver=rtl8192ce latency=0
           resources: irq:17 ioport:2000(size=256) memory:b8400000-b8403fff
    alan@alan-Satellite-C855:~$
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  8. #8
    Join Date
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    Ubuntu 12.04 Precise Pangolin

    Re: I installed driver for wired networking and lost my WiFi. How can I get it back?

    Hi, please open a terminal ctrl+alt+t copy and paste the following commands into it one line at a time, then paste the results here:
    Code:
    cat /etc/lsb-release; uname -a
    lspci -nnk | grep -iA2 net
    lsusb
    iwconfig
    rfkill list all
    lsmod
    nm-tool
    sudo cat /var/log/syslog | grep -e rtl -e firmware -e wlan -e wpa -e etwork | tail -n50
    by clicking on new reply and click # then paste the information between the brackets.
    Thank you

  9. #9
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    Re: I installed driver for wired networking and lost my WiFi. How can I get it back?

    OK I did all that and below are the results.

    Code:
    Results:
    
    alan@alan-Satellite-C855:~$ cat /etc/lsb-release; uname -a
    DISTRIB_ID=Ubuntu
    DISTRIB_RELEASE=12.04
    DISTRIB_CODENAME=precise
    DISTRIB_DESCRIPTION="Ubuntu 12.04.2 LTS"
    Linux alan-Satellite-C855 3.5.0-23-generic #35~precise1-Ubuntu SMP Fri Jan 25 17:13:26 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
    
    alan@alan-Satellite-C855:~$ lspci -nnk | grep -iA2 net
    01:00.0 Ethernet controller [0200]: Atheros Communications Inc. AR8162 Fast Ethernet [1969:1090] (rev 10)
    	Subsystem: Toshiba America Info Systems Device [1179:ff1e]
    	Kernel driver in use: alx
    --
    02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter [10ec:8176] (rev 01)
    	Subsystem: Realtek Semiconductor Co., Ltd. Device [10ec:8211]
    	Kernel driver in use: rtl8192ce
    
    
    alan@alan-Satellite-C855:~$ lsusb
    Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 003 Device 004: ID 046d:c52b Logitech, Inc. Unifying Receiver
    Bus 003 Device 003: ID 0bc2:5031 Seagate RSS LLC FreeAgent GoFlex USB 3.0
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 001 Device 003: ID 0bda:0129 Realtek Semiconductor Corp. 
    Bus 001 Device 004: ID 10f1:1a3d Importek 
    
    
    alan@alan-Satellite-C855:~$ iwconfig
    eth0      no wireless extensions.
    
    lo        no wireless extensions.
    
    
    alan@alan-Satellite-C855:~$ rfkill list all
    alan@alan-Satellite-C855:~$ 
    
    
    alan@alan-Satellite-C855:~$ lsmod
    Module                  Size  Used by
    parport_pc             32867  0 
    ppdev                  17114  0 
    rfcomm                 47562  0 
    bnep                   18240  2 
    bluetooth             211812  10 rfcomm,bnep
    snd_hda_codec_hdmi     32476  1 
    snd_hda_codec_realtek    79756  1 
    joydev                 17694  0 
    rtl8192ce              58779  0 
    rtl8192c_common        49512  1 rtl8192ce
    rtlwifi                76086  1 rtl8192ce
    alx                    81351  0 
    mac80211              555198  3 rtl8192ce,rtl8192c_common,rtlwifi
    compat                 13228  1 alx
    cfg80211              208382  2 rtlwifi,mac80211
    coretemp               13642  0 
    kvm_intel             137888  0 
    kvm                   422160  1 kvm_intel
    ghash_clmulni_intel    13221  0 
    cryptd                 20531  1 ghash_clmulni_intel
    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
    psmouse               102075  0 
    serio_raw              13216  0 
    snd_seq_midi           13325  0 
    snd_rawmidi            30750  1 snd_seq_midi
    uvcvideo               78117  0 
    videobuf2_core         33025  1 uvcvideo
    lpc_ich                17145  0 
    snd_seq_midi_event     14900  1 snd_seq_midi
    videodev              125126  2 uvcvideo,videobuf2_core
    videobuf2_vmalloc      12861  1 uvcvideo
    videobuf2_memops       13405  1 videobuf2_vmalloc
    snd_seq                61931  2 snd_seq_midi,snd_seq_midi_event
    rts5139               350620  0 
    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 
    i915                  530857  3 
    drm_kms_helper         49259  1 i915
    mac_hid                13254  0 
    drm                   290344  4 i915,drm_kms_helper
    i2c_algo_bit           13565  1 i915
    video                  19598  1 i915
    lp                     17800  0 
    parport                46563  3 parport_pc,ppdev,lp
    hid_logitech_dj        18768  0 
    usbhid                 47259  1 hid_logitech_dj
    hid                   100815  2 hid_logitech_dj,usbhid
    usb_storage            49288  5 
    
    
    alan@alan-Satellite-C855:~$ nm-tool
    
    NetworkManager Tool
    
    State: disconnected
    
    - Device: eth0 -----------------------------------------------------------------
      Type:              Wired
      Driver:            alx
      State:             unavailable
      Default:           no
      HW Address:        00:26:6C:17:DA:3A
    
      Capabilities:
        Carrier Detect:  yes
    
      Wired Properties
        Carrier:         off
    
    
    
    alan@alan-Satellite-C855:~$ sudo cat /var/log/syslog | grep -e rtl -e firmware -e wlan -e wpa -e etwork | tail -n50
    [sudo] password for alan: 
    Apr 17 15:10:38 alan-Satellite-C855 NetworkManager[878]: <info> (eth0): exported as /org/freedesktop/NetworkManager/Devices/0
    Apr 17 15:10:38 alan-Satellite-C855 NetworkManager[878]: <info> (eth0): now managed
    Apr 17 15:10:38 alan-Satellite-C855 NetworkManager[878]: <info> (eth0): device state change: unmanaged -> unavailable (reason 'managed') [10 20 2]
    Apr 17 15:10:38 alan-Satellite-C855 NetworkManager[878]: <info> (eth0): bringing up device.
    Apr 17 15:10:38 alan-Satellite-C855 NetworkManager[878]: <info> (eth0): preparing device.
    Apr 17 15:10:38 alan-Satellite-C855 NetworkManager[878]: <info> (eth0): deactivating device (reason 'managed') [2]
    Apr 17 15:10:38 alan-Satellite-C855 NetworkManager[878]: <info> Added default wired connection 'Wired connection 1' for /sys/devices/pci0000:00/0000:00:1c.0/0000:01:00.0/net/eth0
    Apr 17 15:56:39 alan-Satellite-C855 kernel: [   17.252106] type=1400 audit(1366239397.183:3): apparmor="STATUS" operation="profile_load" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=578 comm="apparmor_parser"
    Apr 17 15:56:39 alan-Satellite-C855 kernel: [   17.451297] Qualcomm Atheros(R) AR813x/AR815x/AR816x PCI-E Ethernet Network Driver
    Apr 17 15:56:39 alan-Satellite-C855 kernel: [   17.454284] alx: Atheros Gigabit Network Connection
    Apr 17 15:56:39 alan-Satellite-C855 kernel: [   17.538404] rtl8192ce: ****** This B_CUT device may not work with kernels 3.6 and earlier
    Apr 17 15:56:39 alan-Satellite-C855 kernel: [   17.538406] rtl8192ce: Using firmware rtlwifi/rtl8192cfwU_B.bin
    Apr 17 15:56:39 alan-Satellite-C855 kernel: [   17.540697] rtlwifi: Firmware rtlwifi/rtl8192cfwU_B.bin not available
    Apr 17 15:56:39 alan-Satellite-C855 kernel: [   19.206045] type=1400 audit(1366239399.139:9): apparmor="STATUS" operation="profile_replace" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=863 comm="apparmor_parser"
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]: <info> NetworkManager (version 0.9.4.0) is starting...
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]: <info> Read config file /etc/NetworkManager/NetworkManager.conf
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]: <info> VPN: loaded org.freedesktop.NetworkManager.pptp
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]: <info> DNS: loaded plugin dnsmasq
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]:    SCPlugin-Ifupdown: init!
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]:    SCPlugin-Ifupdown: update_system_hostname
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]:    SCPluginIfupdown: management mode: unmanaged
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]:    SCPlugin-Ifupdown: devices added (path: /sys/devices/pci0000:00/0000:00:1c.0/0000:01:00.0/net/eth0, iface: eth0)
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]:    SCPlugin-Ifupdown: device added (path: /sys/devices/pci0000:00/0000:00:1c.0/0000:01:00.0/net/eth0, iface: eth0): no ifupdown configuration found.
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]:    SCPlugin-Ifupdown: devices added (path: /sys/devices/virtual/net/lo, iface: lo)
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]:    SCPlugin-Ifupdown: device added (path: /sys/devices/virtual/net/lo, iface: lo): no ifupdown configuration found.
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]:    SCPlugin-Ifupdown: end _init.
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]: <info> Loaded plugin ifupdown: (C) 2008 Canonical Ltd.  To report bugs please use the NetworkManager mailing list.
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]: <info> Loaded plugin keyfile: (c) 2007 - 2010 Red Hat, Inc.  To report bugs please use the NetworkManager mailing list.
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]:    Ifupdown: get unmanaged devices count: 0
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]:    SCPlugin-Ifupdown: (30989104) ... get_connections.
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]:    SCPlugin-Ifupdown: (30989104) ... get_connections (managed=false): return empty list.
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]:    keyfile: parsing Verizon connection ... 
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]:    keyfile:     read connection 'Verizon connection'
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]:    Ifupdown: get unmanaged devices count: 0
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]: <info> modem-manager is now available
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]: <info> monitoring kernel firmware directory '/lib/firmware'.
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]: <info> WiFi enabled by radio killswitch; enabled by state file
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]: <info> WWAN enabled by radio killswitch; enabled by state file
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]: <info> WiMAX enabled by radio killswitch; enabled by state file
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]: <info> Networking is enabled by state file
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]: <warn> failed to allocate link cache: (-10) Operation not supported
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]: <info> (eth0): carrier is OFF
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]: <info> (eth0): new Ethernet device (driver: 'alx' ifindex: 2)
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]: <info> (eth0): exported as /org/freedesktop/NetworkManager/Devices/0
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]: <info> (eth0): now managed
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]: <info> (eth0): device state change: unmanaged -> unavailable (reason 'managed') [10 20 2]
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]: <info> (eth0): bringing up device.
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]: <info> (eth0): preparing device.
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]: <info> (eth0): deactivating device (reason 'managed') [2]
    Apr 17 15:56:39 alan-Satellite-C855 NetworkManager[872]: <info> Added default wired connection 'Wired connection 1' for /sys/devices/pci0000:00/0000:00:1c.0/0000:01:00.0/net/eth0
    alan@alan-Satellite-C855:~$
    One of these days, I may learn how to interpret all that! Thanks guys!
    Just getting onboard with linux
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  10. #10
    Join Date
    Mar 2007
    Location
    Reno, Nevada
    Beans
    93

    Re: I installed driver for wired networking and lost my WiFi. How can I get it back?

    I think I got it going! I went to the Realtek site and clicked through to the drivers for my chipset and downloaed that. Then, I booted up in Ubuntu and copied the file to my home directory and extracted it there. Once the new directory was made, one heck of a long name on that one, I opened it and just followed the instructions in the "readme" file.

    Right now, I'm using Ubuntu with my wireless connection. If it keeps on working, I'll mark this thread as solved. Thanks for all the work folks! I know you put some time and effort into it all and I never considered going the simple route until tonight.
    Just getting onboard with linux
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