I thnik that the best solution for you is to search at google for your problem,find similar problems,there are X possible solution andd it won’t be easy to figure out which one will be the best for you.So,go here >
http://www.google.gr/#hl=el&source=hp&q=it+says+local+area+connection+unplugged%3F%3F&btnG=Αναζήτηση+Google&oq=it+says+local+area+connection+unplugged%3F%3F&aq=f&aqi=&aql=&gs_sm=s&gs_upl=2366l2366l0l3038l1l1l0l0l0l0l211l211l2-1l1&bav=on.2,or.r_gc.r_pw.&fp=601b619faeb2f74b&biw=1280&bih=894

Have a look at some topics,let me know if it helped.If you can’t fix it,we will be here to help you further.