netgear WNR2000 V1 : i get limited access the yellow triangle when hooking up my router. i can access the router page, but nothing else. when i hook up straight cable , it works... things ive tryed : uncheck ipv6 disable homegroup / stopped services. upgraded firmware it worked fine last night for 4+ hours but then this morning it had the yellow triangle again , i am running dell inspiron 531 with a fresh install of windows 7 ultimate. anything i can try , or is there something im missing?