The two network cards are disable

Hello, all is in the subject, i have unfortunely disable the two network cards! How can I take the control of the serveur to reactivate them? Thanks

Seee if anythiing in here helps

http://community.wd.com/t5/WD-Sentinel-Products/Network-connection-disabled-I-am-outstanding/m-p/576833/highlight/true#M1833