Hello, i would start off fresh and power down all the PCs or anything connected to the router and then reset the router and modem and after you restart the router and modem, start your PCs and , i had changed one of my routers to a gateway and forgot about it ,then i gave it to a friend and he couldn't get online oops, it happens. good luck
[AMD XP 2500 BARTON] [ASUS A7N8X-E NForce 2] [1GiG XMS CORSAIR DC PC-3200] [BFG 6600GT 500@1000] [SB AUDIGY 2 ZS PLATINUM]600wps SEAGATE 36GIG 15,000 RPM SCSI ADAPTEC ULTRA 160 SCSI controller [LITEON DVD/RW-pioneer dvd/cd-rom