ok i have a linksys network hub thing....i plug the ethernet cable frum the cable modem to the hub.....then i plug one to my brothers computer....the internet works for him....but when i plug one in for me i dont get internet at all....it detects my network card and everything....but it keeps on saying that i have limited or no connection at all??..the model number for the linksys is EFAH05W....a 10/100 5 port workgroup hub....im on windows xp pro sp2....