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Thread: Z77 extreme 4 No gigabit lan




  1. #1
    nissmo66 is offline Junior Member
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    Default Z77 extreme 4 No gigabit lan

    Hello all,

    I'm having an issue with the gigabit lan interface.

    I'm connected to a gigabit router however windows it shows my link speed as 100mbps. Is this possibly a motherboard issue? My old PC still shows a 1000 mbps when connected to the same port.

    thank you

  2. #2
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    Default Re: Z77 extreme 4 No gigabit lan

    This might seem silly to ask but have you installed the Broadcom gigabit lan drivers?

    I'm assuming this is a new build.
    #1 - Please, when seeking help, enter the make and model of ALL parts that your system is comprised of in your Signature, or at least the model #'s in your System Specs, then "Save' it.
    ____If you are overclocking, underclocking, or undervolting any parts, informing us of this and their values would prove beneficial in helping you.

    #2 - G.Skill RAM Configurator for your boardSamsung Memory for your boardLatest AMD Chipset Drivers/WindowsLatest AMD Graphics Drivers/WindowsLatest Intel Drivers

    #3 - Please use the eXtreme Outer Vision Power Supply Calculator found HERE to determine if it might be your PSU at issue.
    ____Consider your PSU to be the foundation from which all else is built upon. Anything built upon a weak foundation is poorly built.

  3. #3
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    parsec is offline Senior Member
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    Default Re: Z77 extreme 4 No gigabit lan

    wardog, do you recall if your Broadcom NIC even worked at all before the driver was installed? I could swear it did not with Windows 7, but I could be wrong. I'm using an Intel NIC board so I haven't used the Broadcom lately at all.

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    Default Re: Z77 extreme 4 No gigabit lan

    No I don't. I stay disconnected until every driver is installed. I don't want Windows Update sneaking one in on me. Which is why I asked because I've seen WU do that before and it be problematic/wrong/non-working.
    #1 - Please, when seeking help, enter the make and model of ALL parts that your system is comprised of in your Signature, or at least the model #'s in your System Specs, then "Save' it.
    ____If you are overclocking, underclocking, or undervolting any parts, informing us of this and their values would prove beneficial in helping you.

    #2 - G.Skill RAM Configurator for your boardSamsung Memory for your boardLatest AMD Chipset Drivers/WindowsLatest AMD Graphics Drivers/WindowsLatest Intel Drivers

    #3 - Please use the eXtreme Outer Vision Power Supply Calculator found HERE to determine if it might be your PSU at issue.
    ____Consider your PSU to be the foundation from which all else is built upon. Anything built upon a weak foundation is poorly built.

  5. #5
    parsec's Avatar
    parsec is offline Senior Member
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    Default Re: Z77 extreme 4 No gigabit lan

    Good point, although you can also set Windows to not auto-update during the installation, but your method is the safest.

    The OP's problem could be a configuration issue, which can be fixed in the advanced properties of the onboard NIC, but we don't know what driver is being used.

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    Default Re: Z77 extreme 4 No gigabit lan

    The latest Z77 Extreme4's onboard Broadcom BCM57781 NIC drivers can be downloaded HERE.

    And nissmo66, please follow up and complete filling in your System Specs so that we know what you have there system wise.
    Last edited by - wardog -; 03-02-2013 at 05:58 AM.
    #1 - Please, when seeking help, enter the make and model of ALL parts that your system is comprised of in your Signature, or at least the model #'s in your System Specs, then "Save' it.
    ____If you are overclocking, underclocking, or undervolting any parts, informing us of this and their values would prove beneficial in helping you.

    #2 - G.Skill RAM Configurator for your boardSamsung Memory for your boardLatest AMD Chipset Drivers/WindowsLatest AMD Graphics Drivers/WindowsLatest Intel Drivers

    #3 - Please use the eXtreme Outer Vision Power Supply Calculator found HERE to determine if it might be your PSU at issue.
    ____Consider your PSU to be the foundation from which all else is built upon. Anything built upon a weak foundation is poorly built.

  7. #7
    nissmo66 is offline Junior Member
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    Default Re: Z77 extreme 4 No gigabit lan

    thanks for the replies,

    yes it's a new build, I loaded the drivers off the disk that came with the mobo, it dated 5/10/2011 version 14.8.0.5 broadcom netlink gigabit adapter

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    Default Re: Z77 extreme 4 No gigabit lan

    Please re-read THIS post as I was editing it as you were posting the above msg.

    I would highly suggest you follow the link and update your NIC driver(s).
    #1 - Please, when seeking help, enter the make and model of ALL parts that your system is comprised of in your Signature, or at least the model #'s in your System Specs, then "Save' it.
    ____If you are overclocking, underclocking, or undervolting any parts, informing us of this and their values would prove beneficial in helping you.

    #2 - G.Skill RAM Configurator for your boardSamsung Memory for your boardLatest AMD Chipset Drivers/WindowsLatest AMD Graphics Drivers/WindowsLatest Intel Drivers

    #3 - Please use the eXtreme Outer Vision Power Supply Calculator found HERE to determine if it might be your PSU at issue.
    ____Consider your PSU to be the foundation from which all else is built upon. Anything built upon a weak foundation is poorly built.

  9. #9
    nissmo66 is offline Junior Member
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    Default Re: Z77 extreme 4 No gigabit lan

    Quote Originally Posted by - wardog - View Post
    Please re-read THIS post as I was editing it as you were posting the above msg.

    I would highly suggest you follow the link and update your NIC driver(s).
    Thanks, just updated to the current driver, and rebooted. Windows still show me connected @ 100Mbps...

    I'll also say the obvious, that I am connect to a gigE router.

    I'll update my specs now thanks.

  10. #10
    nissmo66 is offline Junior Member
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    Default Re: Z77 extreme 4 No gigabit lan

    I'm wondering if this has anything to do with the XFastLan ASrock program thats running?

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