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Thread: No Wired Connection on Dell Inspiron 570 Desktop

  1. #1
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    No Wired Connection on Dell Inspiron 570 Desktop

    I just bought a basic Dell Inspiron 570 Desktop, and installed Ubuntu 9.10, and found that the wired internet won't connect. I've checked the wire, and confirmed that an Ubuntu laptop can get a wired connection using it, but the new Inspiron doesn't do anything.

    The "Network Connections" dialog shows a "Wired connection 1" item, but Network Manager refuses to connect to it. ifconfig only shows the lo interface.

    How can I get this wired interface working? Please, this is very frustrating. I can only assume it's some sort of driver issue (which seems rare with the wired connection), but I can't even run an update since I don't have an internet connection.

  2. #2
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    Re: No Wired Connection on Dell Inspiron 570 Desktop

    Quote Originally Posted by Cerin View Post
    I just bought a basic Dell Inspiron 570 Desktop, and installed Ubuntu 9.10, and found that the wired internet won't connect. I've checked the wire, and confirmed that an Ubuntu laptop can get a wired connection using it, but the new Inspiron doesn't do anything.

    The "Network Connections" dialog shows a "Wired connection 1" item, but Network Manager refuses to connect to it. ifconfig only shows the lo interface.

    How can I get this wired interface working? Please, this is very frustrating. I can only assume it's some sort of driver issue (which seems rare with the wired connection), but I can't even run an update since I don't have an internet connection.
    For some reason in the last few days I find a lot of users have forgotten to right click on network icon and check that there wired or wireless is check marked enabled.
    Remember hence where you come and pass it down.
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  3. #3
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    Re: No Wired Connection on Dell Inspiron 570 Desktop

    That's not the issue. The "Enable Networking" checkbox is checked. The "Edit Connections" dialog shows no wired interfaces.

    Quote Originally Posted by garvinrick4 View Post
    For some reason in the last few days I find a lot of users have forgotten to right click on network icon and check that there wired or wireless is check marked enabled.

  4. #4
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    Re: No Wired Connection on Dell Inspiron 570 Desktop

    Furthermore, running "lshw" shows a "Netlink BCM57788 Gigabit Ethernet PCIe Broadcom device, which is listed under "network UNCLAIMED".

    I'm I correct in assuming that means Ubuntu doesn't have a 64-bit driver for this device? Is there anyway to get support for it, especially when the computer has no internet?

  5. #5
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    Re: No Wired Connection on Dell Inspiron 570 Desktop

    If you run this command it shows no driver?

    lspci -v | less

    id:network
    description: Ethernet interface product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0
    bus info: pci@0000:03:00.0
    logical name: eth0
    version: 02 serial: 00:26:9e:4d:62:62 width: 64 bits clock: 33MHz capabilities: bus_master cap_list rom ethernet physical configuration: broadcast=yes driver=r8169 driverversion=2.3LK-NAPI latency=0 multicast=yes resources: irq:27 ioport:2000(size=256) memory:d1410000-d1410fff(prefetchable) memory:d1400000-d140ffff(prefetchable) memory:d1420000-d142ffff(prefetchable)
    Last edited by garvinrick4; May 2nd, 2010 at 02:48 AM.
    Remember hence where you come and pass it down.
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  6. #6
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    Re: No Wired Connection on Dell Inspiron 570 Desktop

    At the end of the output, I see this:

    Code:
    02:00.0 Ethernet controller: Broadcom Corporation NetLink BCM57788 Gigabit Ethernet PCIe (rev 01)
            Subsystem: Dell Device 043b
            Flags: bus master, fast devsel, latency 0, IRQ 10
            Memory at febf0000 (64-bit, non-prefetchable) [size=64K]
            Capabilities: <access denied>
    Is this is what you mean?

  7. #7
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    Re: No Wired Connection on Dell Inspiron 570 Desktop

    I was trying to see a driver version, if was there.

    See where my driver version is on mine.
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  8. #8
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    Re: No Wired Connection on Dell Inspiron 570 Desktop

    I finally gave up and decided to simply wipe it out and try 10.04. Sure enough, the network card works on a fresh install. Of course sounds doesn't work, but that's another story...

  9. #9
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    Re: No Wired Connection on Dell Inspiron 570 Desktop

    I have two of these Dell desktops, one at home one at work. Both run 10.04.

    The one at work never had any problem, the one at home had a flaky ethernet connection. After many ubuntu upgrades the connection is not flaky anymore, however, it still goes down if I unplug the cable, reset the modem, or anything to upset it, even disabling enabling the connection on the panel.

    This is lspci -v at work:

    03:00.0 Ethernet controller: Broadcom Corporation NetLink BCM57788 Gigabit Ethernet PCIe (rev 01)
    Subsystem: Dell Device 0438
    Flags: bus master, fast devsel, latency 0, IRQ 32
    Memory at fbff0000 (64-bit, non-prefetchable) [size=64K]
    Capabilities: [48] Power Management version 3
    Capabilities: [60] Vendor Specific Information <?>
    Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable+
    Capabilities: [cc] Express Endpoint, MSI 00
    Capabilities: [100] Advanced Error Reporting <?>
    Capabilities: [13c] Virtual Channel <?>
    Capabilities: [160] Device Serial Number 43-6d-06-fe-ff-db-ba-a4
    Capabilities: [16c] Power Budgeting <?>
    Kernel driver in use: tg3
    Kernel modules: tg3


    root@carina:~# uname -a
    Linux carina 2.6.32-31-generic #61-Ubuntu SMP Fri Apr 8 18:25:51 UTC 2011 x86_64 GNU/Linux


    And here lspci -v at home:


    03:00.0 Ethernet controller: Broadcom Corporation NetLink BCM57788 Gigabit Ethernet PCIe (rev 01)
    Subsystem: Dell Device 0438
    Flags: bus master, fast devsel, latency 0, IRQ 32
    Memory at fbff0000 (64-bit, non-prefetchable) [size=64K]
    Capabilities: [48] Power Management version 3
    Capabilities: [60] Vendor Specific Information <?>
    Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable+
    Capabilities: [cc] Express Endpoint, MSI 00
    Capabilities: [100] Advanced Error Reporting <?>
    Capabilities: [13c] Virtual Channel <?>
    Capabilities: [160] Device Serial Number 8f-6a-06-fe-ff-db-ba-a4
    Capabilities: [16c] Power Budgeting <?>
    Kernel driver in use: tg3
    Kernel modules: tg3

    root@eniac:~# uname -a
    Linux eniac 2.6.32-32-generic #62-Ubuntu SMP Wed Apr 20 21:52:38 UTC 2011 x86_64 GNU/Linux


    I have checked every cable, etc. Also, when the machine is running windows I can unplug cables, reset router, etc, etc, and the network comes back to work everytime

    Any clues aprreciated

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