How does replacing a router work?

I have Yahoo DSL. I recently replaced my old modem with a new one provided by AT&T. Now, I cannot get my Linksys modem to work. Any ideas? Internet works fine when I connect directly to PC, but problems when I implement the router.

I've been thinking of replacing my 2wire with a netgear modem??is that recommended?? Or should I call my service provider And ask them to send me a new modem?? What should I say? And I'm thinking about also buying a netgear router, specifically the n...

I've recently been looking at replacing the Speedstream 4100 that AT&T gave me with a D-Link Modem that has a wireless router built in. I just need to know if this will work with ATT&T/SBC DSL Service. http://www.newegg.com/Product/Product.aspx...

there seems to be a problem with my computer i just bought a new desktop computer that comes with a built in wireless N router I also have a wireless N router (netgear WNR834B V2) for some reason, even though the wireless status on my computer told me...

What does it take to make a cisco/linksys E2500 router work in bombay, india?I'm trying to connect a cisco router to an internet access point in bombay, india. Currently, there is a single computer hooked up to a cable modem. That works fine but I want...

Wireless Router Doesn't Work I recently got an HP Pavilion p6330f with an Intel i3, 6 Gb of RAM, Win7, etc. I also got a wireless router so my wife and I can connect simultaneously when she uses her wi-fi-enabled portable. I can't get the router to work...

Ok so I have Wind stream as my internet providers and i have their router right next to my computer. Well the signal for WiFi is horrible. I thought yesterday, "If i hook up another wireless router to the wind stream router and make it closer to...

i opened a port for my cisco ip camera on my router, and made sure the port was setup for it on my camera. im using port 1024. my router is a wireless N netgear router( one of those white ones that stand vertically). what has me all confused is when...