I use to have this same prob Saw. A friend of mine also had the same prob with the linksys and cable modem. I really think it's a bad match even though Comcast uses Linksys modems. I don't have a fix for it, but I have some things you can try.
First thing is to try to recycle the router when the problem happens. To do this....just unplug the router.....wait a few seconds and plug it back in. Give it a few moments and see if it works.
The other thing you can try is to remove at least one splitter between your cable modem and where the cable comes in the house. If you have too many splitters it will give you problems. The cable company actually had to run me my own line because I couldn't get a low enough db rating even after removing all my splitters.
I use to know the figures as to what was high, but it's been a long time since I've had cable and I just can't remember. (i'm old..remember?) If you bring up the modem setup page you'll see the db rating. I think.....repeat....think ....it suppose to be around 3.
Post by *NastyJeff* on Mar 7, 2008 21:58:16 GMT -5
OH, ok. I used to unplug both for at least 5 minutes, then first plug in the modem, then a minute later, the router. Are the lights on the router showing the internet? I have seen in the past when a computers settings would get screwed up and the router would no longer work. I like to set things up myself, but if you have the install disk, after reboot if it is not working, try the disk. That is assuming the internet lights are flashing on the router,
Thanks Jeff and Dave. If you have Linksys routers, free online live chat support is available. Here were my instructions to reset everything:
♠Locate the reset button on the back panel of the router. Reset the router. To reset: Press and hold the reset button. Unplug and replug the power; while still holding down the reset button. Release the reset button. This should be done 15 seconds at most.
♠You may then proceed by following the next steps below: 1. Disconnect modem from the Linksys router and connect the PC to port 3 of the router then restart it. (This PC should be the one that can get online if directly connected to the modem). 2. Launch a browser and in its address bar, type in, http://192.168.1.1 and then hit enter. 3. Skip user name and type admin (admin is the default password), and click OK. 4. When the router's page shows up. Click on the the MAC Address Clone sub tab and click on "Clone your PC's MAC" then save the settings. 5. Click on Security tab. Uncheck the box labeled with Block Anonymous Internet Requests, save the settings. 6. Click on Wireless tab, change linksys to any word you like and change the channel to 11 and then hit on Save Settings. 7. Unplug and replug the router's power for about 20 seconds and shut down everything for a minute. 8. Connect cable from the modem to the Internet port of the router and the computers to the numbered ports of the router. 9. Power on. (Starting from the modem then the router and lastly your PC).