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    #1

    proble connecting laptop to wireless network


    I have an old IBM 600e laptop that I have installed Kubunut 10.1 on. I can connect to the network using an ethernet cable and an ethernet PCMCIA card, but when I try to connect using a wireless PCMCIA network card, I cannot make a connection.

    In System Settings, I go to Network Settings --> Network Connections. If my network card is not plugged in then the 'wireless' tab is grayed out. If I plug the card in the wireless tab becomes available, so it looks like the card is being found.

    If I go to the wireless tab and select 'add', an 'Add Network Connection - System Settings' window pops up.

    If I select the 'Scan' button, an 'Available Networks - System Settings' window pops up, but my wireless router does not show up. I know the router is working because I have entered this report using another PC that is using the same router. Both PCs are about 15 feet from the router, so distance should not be a problem.

    Can anyone help with suggestions on how I can connect to the wireless router?

    Thanks in advance.

    Jim Anderson
    Tags: None
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    #2
    Re: proble connecting laptop to wireless network

    By chance, in the router wireless settings, is Wireless SSID Broadcast disabled? If it's disabled, then your SSID is 'hidden' and you have to enter the information about it manually. If it is disabled, enable it, unless you have reason not to do so.
    Windows no longer obstructs my view.
    Using Kubuntu Linux since March 23, 2007.
    "It is a capital mistake to theorize before one has data." - Sherlock Holmes​
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      #3
      Re: proble connecting laptop to wireless network


      I double checked the router and the Broadcase SSID option is enabled. The router is seen when scanned from my other PC.

      Thanks for the idea.

      Jim
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        #4
        Re: proble connecting laptop to wireless network

        In a Konsole what does
        iwlist scanning
        show?
        "A nation that is afraid to let its people judge the truth and falsehood in an open market is a nation that is afraid of its people.”
        – John F. Kennedy, February 26, 1962.
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          #5
          Re: proble connecting laptop to wireless network


          Here are the results of running 'iwlist scanning':

          lo Interface doesn't support scanning.

          eth0 Interface doesn't support scanning.

          wlan0 Interface doesn't support scanning : Network is down


          When I run 'ifconfig wlan0', I get:

          wlan0 Link encap:Ethernet HWaddr 00:11:50:19:7e:b0
          BROADCAST MULTICAST MTU:1500 Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)


          It looks like the PCMCIA wireless card is not registering with the O/S for some reason, but
          I'm not sure what the next step would be.


          Jim
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            #6
            Re: proble connecting laptop to wireless network

            will
            Code:
            ifconfig wlan0 up
            bring the card up

            wlan0 Link encap:Ethernet HWaddr 00:1e:e5:fb:c2:7f
            inet addr:192.168.1.144 Bcast:192.168.1.255 Mask:255.255.255.0
            inet6 addr: fe80::21e:e5ff:fefb:c27f/64 Scope:Link
            UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
            RX packets:928878 errors:0 dropped:0 overruns:0 frame:0
            TX packets:862690 errors:0 dropped:0 overruns:0 carrier:0
            collisions:0 txqueuelen:1000
            RX bytes:705017993 (705.0 MB) TX bytes:83653978 (83.6 MB)
            from "man ifconfig"
            up This flag causes the interface to be activated. It is implicitly speci‐
            fied if an address is assigned to the interface.
            try that and check ifconfig again and if UP do the iwlist scan again

            VINNY
            i7 4core HT 8MB L3 2.9GHz
            16GB RAM
            Nvidia GTX 860M 4GB RAM 1152 cuda cores
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              #7
              Re: proble connecting laptop to wireless network


              I'm sorry to take so long to get to this. Anyway I ran:

              ifconfig wlan0 up

              and got the response

              SIOCSIFFLAGS: No such file or directory.

              Jim
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                #8
                Re: proble connecting laptop to wireless network

                One solution to that problem was:
                ... I got it working by setting the hardware switch to off then modprobing iwl3945 then setting the hardware switch to on.
                You'll have to use the module for your card...

                BTW, I didn't see any reference to your specific card (lspci will help) and if you had installed any relevant firmware.
                "A nation that is afraid to let its people judge the truth and falsehood in an open market is a nation that is afraid of its people.”
                – John F. Kennedy, February 26, 1962.
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                  #9
                  Re: proble connecting laptop to wireless network


                  I'm using a Belkin Wireless Notebook Network Card IEEE 802.11g/54Mbps, model no. F5D7010.
                  I have not loaded and firmware or drivers for it.

                  The results of lspic are:

                  00:00.0 Host bridge: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX Host bridge (rev 03)
                  00:01.0 PCI bridge: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX AGP bridge (rev 03)
                  00:02.0 CardBus bridge: Texas Instruments PCI1251A
                  00:02.1 CardBus bridge: Texas Instruments PCI1251A
                  00:06.0 Multimedia audio controller: Cirrus Logic CS 4610/11 [CrystalClear SoundFusion Audio Accelerator] (rev 01)
                  00:07.0 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ISA (rev 02)
                  00:07.1 IDE interface: Intel Corporation 82371AB/EB/MB PIIX4 IDE (rev 01)
                  00:07.2 USB Controller: Intel Corporation 82371AB/EB/MB PIIX4 USB (rev 01)
                  00:07.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 02)
                  01:00.0 VGA compatible controller: Neomagic Corporation NM2200 [MagicGraph 256AV] (rev 20)
                  02:00.0 Network controller: Broadcom Corporation BCM4306 802.11b/g Wireless LAN Controller (rev 03)
                  06:00.0 Ethernet controller: 3Com Corporation 3cCFE575CT CardBus [Cyclone] (rev 10)

                  I guess the controller chip inside the Belkin card is from Broadcom. For sanity, I removed the network card and ran lspci again and the network controller did not show up.

                  Jim
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                    #10
                    Re: proble connecting laptop to wireless network


                    I did some searching with google and found:

                    http://www.gidforums.com/t-4390.html

                    This was posted in 2004 and I'm hoping there is a better solution for the broadcom chip. This article essentially says that Linux did not have a driver at that time and the solution is to put a wrapper around the windows driver. Since I don't have a windows OS disk, I would have to find a windows driver first.

                    Jim
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                      #11
                      Re: proble connecting laptop to wireless network

                      try using jockey to install the broadcom driver.
                      Mark Your Solved Issues [SOLVED]
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                        #12
                        Re: proble connecting laptop to wireless network

                        Broadcom Corporation BCM4306 802.11b/g Wireless LAN Controller (rev 03)
                        The BCM4306 is now a legacy chip, but you can
                        1) plug in your ethernet cable to get the Internet
                        2) run Synaptic and search for "fwcutter"
                        3) click on "b43-fwcutter" and mark for installation.
                        4) click the green "arrow" in the tool bar
                        5) continue with the install by clicking the appropriate button.
                        6) when the install has completed close Synaptic.

                        IF your PC has a wireless light it should come on and you can run your wifi manager app to configure your connection.
                        "A nation that is afraid to let its people judge the truth and falsehood in an open market is a nation that is afraid of its people.”
                        – John F. Kennedy, February 26, 1962.
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