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Wired Networks Thread, DC7700 1Gbps lan problem? in Technical; Hi Guys. This is my first post on the forum so i hope you can help me get this problem ...
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    GTX
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    Unhappy DC7700 1Gbps lan problem?

    Hi Guys.

    This is my first post on the forum so i hope you can help me get this problem sorted.

    We ordered 10 x HP DC770 refurbished from a company we have used before. They state on the NIC that it can run at 1gbps (also on the website). I replaced a laptop with one of the new systems but it will only run at 100mbps. I first thought it could of been a port problem so i left it and moved onto the next one. 5 PC's later they are all running at 100mbps. The laptops that they replaced all ran at 1gpbs.

    Iv even gone to our switches and plugged the PC's directly into them and still only getting 100mbps with cat 5e and cat 6. It will only stay on 1gbps for around 6 seconds then has a fit and changes back to 100mbps.

    i'm 100% sure the switches are 1gbps
    Drivers upto date..

    What else can be the problem?

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    Steve21's Avatar
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    If you go into control panel, network adapters blahblah, and go into the configuration settings for the adapter, does it have it set under speed/duplex? Sometimes if it's set to auto etc it'll only connect at other speeds on bootup. Might be worth seeing what it's set to currently.

    Steve

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    FN-GM's Avatar
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    Try a different set of drivers.

    What type of switches do you have?

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    Thanks Steve, Ill take a look now.

    FN-GM they are Netgear JGS524 and Zyxel GS1510-24

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    All 3 options (Mini tower, SFF, USFF) all list 1Gb intel NIC as being onboard

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    FN-GM's Avatar
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    A quick google shows the Netgear as gigabit. Try different versions of the driver.

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    Hi Steve, It was on auto detect but when i select auto-negotiate it just has a fit and doesn't connect.

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    Quote Originally Posted by RickH View Post
    Hi Steve, It was on auto detect but when i select auto-negotiate it just has a fit and doesn't connect.
    There should be options to choose an actual speed there.

    netspeed.png

    etc

    Or don't you get that?

    Steve

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    networkspeed.bmp

    This is what i get Steve.

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    It's definitely a gigabit adapter. Try selecting Auto-negotiate 1000Mbps. I presume also that your switches are configured to auto 1000 and not force 1000. It does make a difference.

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    Sadly that didnt work

    I did do a test on the line from the NIC and it said the cable is good, This is really getting on my boobs now -.-

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    Is that driver from the Intel website, if so I would try the version from the HP website.

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    Quote Originally Posted by teejay View Post
    Is that driver from the Intel website, if so I would try the version from the HP website.
    Done that, Still nothing :S. I have a feeling that i'm messing something really obveus here

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    Quote Originally Posted by RickH View Post
    Sadly that didnt work

    I did do a test on the line from the NIC and it said the cable is good, This is really getting on my boobs now -.-
    Did you try driver 16.3 or earlier as suggested in the thread? 16.4 onwards has been broken

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