GA Z87X UD4H internet issues

[mich4el]

hey i have issue with my GA-Z87X-UD4H  whenever i try to change in device manger from 100mbps Duplex to 1gbps duplex it will say cable unplugged and the light on my d-link router will go off however if i restart the computer while it booting up the light is on and it go off once i get to my desktop

its work fine on 100mbps duplex

i am using cat5e cable

any ideas what i can try to do ?


i am using windows 7 64 bit

[dmdilks]

Why do you want to change it? Does you internet run faster than 100 mps? It isn't going to run any faster trying to run it at 100 mps or 1 gb.