20 Most Recent Linksys BEFSR11 Router - Page 4 Questions & Answers

you should use wifi no cable so it is going to work

It sounds like you are using a router, then using a router in series with it. The two networks will most likely not be seen between computers hooked on different routers, although you should be able to get to the Internet. If you need more ports, get a switch instead of a second router. To make the printer work with what you have, use the wireless printer on the same network (that is, from the same router.) If you need the second router for more area coverage, get an extender.

Reconnect you USB Network adapter in your PC to another USB Port and Please Use Backside usb port.

Default is : Username: user or leave blank
password: Admin or admin

As far as I know if you changed it and don't remember it you need to push and hold reset button to set back to factory defaults.

I think you should reset the router and reconfigure it.If the wired computer is also not working then I think you need to reconfigure it for sure.See How to reset Linksys router.Watch.How to setup Linksys router without CD.

You can make the guest password anything you want it to be. If you forgot it you going to have to reset the extender.