Killer Ethernet not working

[elboubli]

I have recently finished building my new pc but the Killer Ethernet port isn't working because the drivers are not installed on the msi z87 -g45, i have installed the other drivers and seeked solutions to this problem but nothing is working I installed the latest bios from the usb but the others were on disc that came with the motherboard except the Intel Chip set which I updated those drivers through usb also. but when i try to install the latest killer lan drivers the Atheros program says that I must install its hardware how do I fix this please. I run windows 8.1 64 bit

 

[popatim]

Make sure the lan is not disabled in the bios.

 

[elboubli]

Make sure the lan is not disabled in the bios. [/quotemsg
it's already enabled

 

[PIEapple]

This link maybe will help you

 

[elboubli]

I have tried the link and doesn't work still no Ethernet it only shown as unknown device on device manager

 

[PIEapple]

try to use the website driver?
http://www.msi.com/support/mb/Z87-G45-GAMING.html#down-driver&Win8.1 64

 

[elboubli]

try to use the website driver?
http://www.msi.com/support/mb/Z87-G45-GAMING.html#down-driver&Win8.1 64

when I try to update the drivers from device manger under unknown device and click update driver it wont update.

 

[PIEapple]

try to use the website driver?
http://www.msi.com/support/mb/Z87-G45-GAMING.html#down-driver&Win8.1 64

when I try to update the drivers from device manger under unknown device and click update driver it wont update.

First remove all killer lan old driver,install the website killer lan driver.

 

[popatim]

Is there an entry in lan drivers already? (in device manager)