Problems with IBM ThinkPad R51 (type 1836 - BAU)

Posted on 2006-06-08
Last Modified: 2013-12-03
I am working on this laptop and need help with the following problems:

1.  The onboard USB and ethernet ports are not working.  They are enabled in the BIOS, as far as I can tell.  USB is in Device Manager and working properly.  However, the ethernet is not.  The wireless is and is working fine.  When I plug my memory stick into one of the USB ports, there is power.  (it lights up)  When I plug a network cable in, there are no signs of life.

2.  I am trying to resolve this by updating all drivers.  I have been successfull with all but the Embedded Controller Program Update.  When I try that, I get:

EFlash Error

DeviceIoControl() returns 1
Insufficient system resources exist to complete the requested service.

Please help!  Thank you.
Question by:marathonman330
    LVL 69

    Assisted Solution

    There's not too much you can do to troubleshoot a laptop ethernet port - you can't replace anything.  Without indicator lights, it seems that the hardware doesn't work.  If you plug it in and you can ping the router, that would be evidence that the port actually works.  A replacement PCMCIA ethernet card would be the fix for a bad port.
    LVL 15

    Expert Comment

    If you can boot into safe mode with network support and it works(you get internet etc) then it´s software if not then looks like a bad port.
    LVL 70

    Accepted Solution

    There's a bit of a conflict in what you said in your question:

    (1)  "... The onboard USB and ethernet ports are not working."

    (2)  "  USB is in Device Manager and working properly."

    So ... is USB working ??

    If the issue is only the ethernet port, then you're already on the right troubleshooting track:  Uninstall the adapter (in Device Manager);  reboot -- and see if it works.   If not, be sure you have the right driver for that notebook.

    ... and if the port simply isn't working then just add a PCMCIA ethernet card.

    If the issue is BOTH USB and ethernet, the basic troubleshooting is the same;  but unless the laptop has a pair of card slots, you can't simply add cards to replace both of these.  In that case you'll probably want to add a PCMCIA USB card, and a USB-ethernet adapter => but it depends on how often the two are used.   The PCMCIA ethernet card will be a more reliable connection than the card/adapter combo - but won't let both ethernet and USB be used simultaneously.

    Hopefully it's just a driver issue ...

    Did you install this driver for the ethernet adapter:  ??

    LVL 87

    Expert Comment

    To check the hardware boot the PC with a knoppix CD, it has very good hardware support and works with a lot.

    Author Comment


    What I meant is that the USB controllers appear in Device Manager and when you go to properties it says they are working properly.  But if you plug something in there is no response.  In the case of the ethernet nothing appears in Device Manager, only the wireless.  I will look at and try the other things that everyone has suggested.  Thank you.
    LVL 2

    Expert Comment

    Try cleaning the socket using a vaccum cleaner, an clean the wires inside it carefully without breaking them and then see if that works, Also check the network cable make sure you aren't using a very long wire, Check the firwall settings in your router as well.
                         Good Luck as 4 USB try cleaning that as well if its still doesn't work then seek a professional !
    LVL 4

    Expert Comment

    Go to Command Prompt by clicking the Start|Run and type in "CMD" and hit [Enter]
    in the command promt type "PING" which is the local host. You don't need the cable for this.
    If there is reply, the Ethernet drivers and its subsystem is working fine.
    If there is no reply then there's some serious misconfiguration in the Windows Services.

    Do you have any spare hard drive. If you do, then try to install a fresh copy of Windows to see whether it will work.

    Author Comment

    The USB and ethernet ports were bad.  We purchased a USB PC Card and the user is just using the wireless for internet access.  Thank you.

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