Windows 10: Gigabit Ethernet does not work

Discus and support Gigabit Ethernet does not work in Windows 10 Network and Sharing to solve the problem; Hello, So i just installed a Gigabit ethernet line through my house, i instantly noticed that when i do a speedtest i only get arround 90-100 mbps,... Discussion in 'Windows 10 Network and Sharing' started by JanTrummer, Dec 18, 2020.

  1. Gigabit Ethernet does not work


    Hello,


    So i just installed a Gigabit ethernet line through my house, i instantly noticed that when i do a speedtest i only get arround 90-100 mbps, so i checked device manager and it says "100 mbps" there on the ethernet adapter

    Gigabit Ethernet does not work 2b9bc5c6-bb0c-4f23-883c-d6ec924ec004?upload=true.png

    However, i can select 1 Gigabit Ether on my Ethernet Adapter via Device manager

    Gigabit Ethernet does not work cff6d749-8228-4904-b2ab-496caaf25512?upload=true.png

    Which in theory tells me that my Ethernet is 1 Gigabit capable, but if i select it my ethernet will just be gone and the PC and i have to reset it to Auto Negition or 100 mbps again to make the internet work again.


    What could possibly cause the issue? I dont think its faulty wiring cause if the wires werent Gigabit wires which they are they are Cat 6 cables then i would not be able to select 1 Gbps.

    :)
     
    JanTrummer, Dec 18, 2020
    #1
  2. nick_1992 Win User

    Gigabit Ethernet not working

    Hello, been a while since i've posted on here but i'm in kind of a bind. I just recently setup my house so that everything is gigabit, all CAT6 cables tested out for 1000mbps and routers and switches are all gig as well. However my main pc has a gig card built into it, a Marvell Yukon 88E8053 PCI-E Gigabit Ethernet Controller but it will only detect 100mbps and even if i force it to 1000mbps it still will only work at 100mbps.

    When i do force 1000mbps the link lights are completely dead and it's acting as if there is no cable connected, but will work at 100mbps full duplex just fine... I'm at a loss here. *Bang Head :banghead:

    If anyone has an idea as how to fix this it would be welcome *Smile Gigabit Ethernet does not work :)

    The driver version is 11.41.3.3 btw.
     
    nick_1992, Dec 18, 2020
    #2
  3. Gigabit Ethernet network card

    How can I configure my 10/100/1000 Gigabit Ethernet network card for maximum speed in Windows 10?
     
    MichaelVasquez1, Dec 18, 2020
    #3
  4. erdihu Win User

    Gigabit Ethernet does not work

    Yet another gigabit ethernet issue


    Hello everyone,

    Found this forum from my Google searches but couldn't find a similar issue.

    I use ethernet cable to connect my laptop to a router. My router supports gigabit connection and the wiring of the house is cat 5e. Yet the connection is very unstable on my machine and I hardly see 1 Gbps negotiation. It is mostly auto negotiated as 100 Mbps. Read similar topics and saw that the problem often lies from the infrastructure. However, I did see 1 Gbit connection a couple of times within Windows 10 so I eliminated that out of the equation.

    Here's what I have tried so far:


    • I tried to set to 1 Gbps full duplex from auto negotiation in ethernet card settings. (I have onboard RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller) This did not change the negotiation speed, it remained on 100 Mbps.

    • I tried booting to Ubuntu from an USB drive to check the connection and it was 1 Gbps and pretty stable; by that I mean it did not decrease the negotiation speed. Here you can see the hardware output from Ubuntu: Hardware output
    • Strangely, after rebooting from Ubuntu to Windows 10, I saw 1 Gbps connection on ethernet status. However, this was temporary and switched automatically back to 100Mbps after some minutes. Plugging the ethernet cable out and back in multiple times sometimes helps to get 1 Gbit connection but this too is a temporary solution.


    Any tip would be appreciated. Thanks.
     
    erdihu, Dec 18, 2020
    #4
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Gigabit Ethernet does not work

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