Windows 11 win11 h2 and asus x670e-plus wifi Ethernet stuck at 100mbps

  • Thread starter Thread starter rtoledo2002
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rtoledo2002

So my old motherboard dies it always worked at 1000mbps. I buy a new Asus x670e-plus wifi motherboard and all new components.This MB has a 2.5gbps ethernet card by realtek. I can not get it to work above 100mbps. I installed all the Asus drivers, and in control panel under the ethernet nic , on the ADVANCED tab SPEED & DUPLEX the entries ONLY show 100 and 2.5gbps settings no 1000 ? I have tried the 2.5 but it defaults to 100.before you ask , the cable was good before the MB was replaced and it's hooked up to a 1gbps switch , I have rebooted the switch too.for nowI just ordered a I

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