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Call your ISP tech suport. They should be able to help you- most do.

Since it worked before and yours is working fine. On your borthers laptop open his wireless connection and see if the router is there.if it is then try to reconnect to it. If its not there do a...

If the 2100 is a modem/router all you would need is a chep 4port switch. Which lgbpop is right ,using the usb not really the way to go.

if the modem give different ip address for the usb and ethernet it should work.

sounds like NIC not working if you can't ping. go to run, cmd and do ipconfig. do the same with the laptop. what do you get? if the lap top works then your computer should get same IP address when...

make sure the modem/ router and the wireless router do not have the same LAN IPs (192.168.1.1, ect). This happens a lot and can cause drops. we change the wireless routers to 192.168.0.1 .

go to - run, type in cmd press enter. then ping www.yahoo.com. if you get good ping write down the ip address. open up IE and put the yahoo ip address in the address box then click go. if page comes...

a loop is a resistance or short across tip and ring, the two conductors on a phone line. When a phone or PC modem goes off hook to dial it competes a circuit or loop.
when the phone or PC hangs up,...

See if laptop was using same telphone jack and line cord. storms can damage them. Make sure they are not using the protection jacks on a AC strip. I found a lot of bad ones after storms. She could...

when you set up your router you should make it DHCP and set your computer to obtain ip automatically. This way you don't have to worry about ip's and gateways.