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Thread: wireless connectivity isn't working!

  1. #1
    Join Date
    Mar 2011
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    wireless connectivity isn't working!

    okay so I installed ubuntu 10.10 almost a week ago and the the wireless has yet to work from my home router. I've searched this forum and a number of other sources looking for a way to fix this.. obviously to no avail

    I am running 10.10 on a Compaq Presario CQ60 using a
    Realtek Semi conductor Co. Ltd. RTL8101E/ RTL8102E PCI
    Express Fast Ethernet controller (rev 02)
    Atheros Communication Inc. Ar5001 Wireless Network Adapter (rev 01)

    the laptop is now recognizing my network but still cannot connect to the internet, update or download any software. When I attempt to update or open a browser page appears to load for few seconds before informing me that I have no available connections. --> a direct connection to the router doesn't fix this.

    I'm reasonably sure the wireless driver is at least part of the problem.. and i've tried updating the driver by downloading driver to another device and installing driver on laptop from flashdrive but not sure how to go about this.. as i'm a fairly new linux user.

    as mentioned before I've spent a pretty good chunk of time working on this and would greatly appreciate any and all help forum can offer.. b/c i'm beginning to miss my little compaq

  2. #2
    Join Date
    Mar 2011
    Location
    England UK
    Beans
    52
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: wireless connectivity isn't working!

    If the laptop connects to the wireless then a good place to start is whats the output of

    ifconfig

    ?

  3. #3
    Join Date
    Mar 2011
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    18

    Re: wireless connectivity isn't working!

    took screenshot and saved it as I am obviously using another machine for internet use atm.

    http://i1219.photobucket.com/albums/...nalcommand.jpg

  4. #4
    Join Date
    Jun 2010
    Location
    London, England
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    8,563
    Distro
    Ubuntu Development Release

    Re: wireless connectivity isn't working!

    From the screen shot the machine is not connected to the router even by ethernet cable. You should see RUNNING after BROADCAST. There should also be a inet addr: as the second line. This would have the router/modem's IP address. Something like 192.168.1.64. Underneath there should be a inet6 addr:

    So, I question your comment

    the laptop is now recognizing my network
    The best that I can offer right now is this link

    https://help.ubuntu.com/community/Wi...eShootingGuide

    Regards.

    P.S. Try entering rfkill list If you see soft blocked = yes, then the wireless adapter is turned off in software. It is not switched on in Network Manager. If you see hard blocked = yes. Then the wireless adapter is switched off by hardware. Is there a keyboard key that you need to press.
    Last edited by grahammechanical; March 23rd, 2011 at 03:26 AM.
    It is a machine. It is more stupid than we are. It will not stop us from doing stupid things.
    Ubuntu user #33,200. Linux user #530,530


  5. #5
    Join Date
    Mar 2011
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    18

    Re: wireless connectivity isn't working!

    yes it is weird.. but the network signal is there... it's just unusable from the laptop.. and when connection is attempted it boots the other devices off... i'm not sure where to go from here...

    below is the link to the screenshot for 'rfkill'
    http://i1219.photobucket.com/albums/...er1/rfkill.png

  6. #6
    Join Date
    Mar 2011
    Location
    England UK
    Beans
    52
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: wireless connectivity isn't working!

    By the look of your ifconfig the wireless card isnt up,

    try in a terminal

    iwconfig

    this should list your wireless cards name like this

    steve@mcr-pc-29334:~$ iwconfig
    lo no wireless extensions.

    eth0 no wireless extensions.

    pan0 no wireless extensions.

    wlan0 IEEE 802.11abgn ESSID:"f2\x0D\xB71X\xA3Z%]\x05\x17X\xE9^\xD4\xAB\xB2\xCD\xC6\x9B\xB4T\x11\x0 E\x82tA!=\xDC\x87"
    Mode:Managed Frequency:2.462 GHz Access Point: Not-Associated
    Tx-Power=15 dBm
    Retry long limit:7 RTS thrff Fragment thrff
    Power Managementff

    vboxnet0 no wireless extensions.

    you can see that my wireless card is wlan0

    then once you know your wireless card name then type in terminal replacing wlan0 with your wifi card name(it may be wlan0 or ath0)

    sudo ifconfig wlan0 up

    then repost the output of ifconfig and see if it shows

    EDIT***

    To anyone who knows how do you wrap terminal output in this forum to keep it formated correctly? thanks
    Last edited by conneco; March 23rd, 2011 at 10:02 AM.

  7. #7
    Join Date
    Mar 2011
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    18

    Re: wireless connectivity isn't working!

    okay posted result of ifconfig after other commands.. haven't checked to see if theres a difference yet

    also just thought of this but I did everything in the same terminal screen... do i need to reboot or anything for changes to take effect???

    here is my results:
    http://i1219.photobucket.com/albums/...ifconfigX2.png

  8. #8
    Join Date
    Mar 2011
    Location
    England UK
    Beans
    52
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: wireless connectivity isn't working!

    theres no ip showing in the ifconfig for wlan0, is you wifi connected in the network manager top right of your screen, if not and you can get it to show connected then give the ifconfig output to me that would be great, else what actually happens when you try to connect using the connection manager

  9. #9
    Join Date
    Mar 2011
    Beans
    18

    Re: wireless connectivity isn't working!

    okay so when connected to network signal , when "sudo ifconfig walan up" command given in the terminal an error message followed saying "error when getting interface flags

    heres the screen shot:
    http://i1219.photobucket.com/albums/...r1/scrnsht.png

  10. #10
    Join Date
    Mar 2011
    Location
    England UK
    Beans
    52
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: wireless connectivity isn't working!

    Okay so when you connect via the network manager you are getting an ip address so this is a good sign, what happens when you try and ping your router, If you don't know your routers IP the default is usually at the start or then end of the range so yours would be either 192.168.1.1 or 192.168.1.254

    try

    Code:
    ping 192.168.1.1
    or

    Code:
    ping 192.168.1.254
    if one of them succeeds try pinging google

    Code:
    ping www.google.c.uk
    and give us the output thanks

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