Ethernet Port randomly stopped working - u310 ultrabook

Hi,
So my Ethernet Port on the u310 Ideapad has randomly stopped working - by that I mean that when I plug in my LAN wire, the lights will show only when I switch on my laptop, till the Windows logo comes on, which is when the lights of the port go off and the port refuses to work.
I need LAN pretty urgently, so I was wondering if someone could please help me out! Thanks!

Hi Ipsh,
thanks for posting and welcome to the community. Based from your post there is apossibility that it it could be hardware. But however before we confirm let just trya few setting and software adjustment first. At this point I was just wondering if you have tried doing a software update, I would suggest you to uninstall the current drivers you have now and reinstall the drivers below.
http://download.lenovo.com/consumer/mobiles/0wla01ww.exe
Please be informed that the driver above is meant for windows 7, if you have another operating system installed do let me know.
Regards

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