192.168.l.l is an address. It is used by certain routers in order to connect to other devices. One such router is the Linksys router.
If you are working with a Linksys device and you need to configure it, simply type 192.168.l.l into the address bar of the browser. The best recommendation will be to use a page with router specifics, that will ask you for username and password.
After doing this, if a different page comes up on your computer, other than the fact that the router is connected that means that there is an error. Check to make sure that your WI-FI is enabled on the computer, also check to make sure you are connected to the correct wireless network.
If you are ever having router problems, here are a few things that you can check.
1. Examine the router to make sure it is on
2. Examine the computer to make sure it is connected to the router
3. Examine the router to make sure that it is connected to the cable or DSL modem.
Lastly and most importantly type 192.168.l.l in the browser address bar, by doing this you are checking the router admin interface. Always make sure that your computer is connected to the wireless network assigned by your router.
One easy way you check that is to turn off the router then check to see which network disappears from the wireless network list. Whichever one disappears when you turn it off is the one that is assigned to your router.