I just purchased the Motorola SURFboard 6580 and it has boosted my wifi SIGNIFICANTLY, I couldn't believe it, HOWEVER, in certain areas of my house where I always had a fine connection, I completely lose all internet signal. Why would I be going from download speeds of 30mbps and step 3 inches to my right to a total deadzone with the SURFboard while my old cheap modem and router gave consistent 10mbps download speeds in all areas... no booster... no interference known or issues raised before... on same computers so no changes there.... ideas???
SOURCE: cable modem + dlink router
Your modem needs to be rebooted in order for your router to pull an IP from the modem. To do this, look for a little hole in the back of your modem and use a pen to push the button. Wait for the reboot to finish and then try again in about 20 seconds.
SOURCE: Arris Modem won't work with Airport Express
Not sure how helpful this will be, as I'm running a different piece of gear, plus it requires both troubleshooting + ISP assistance. I had a similar problem with my AirPort Extreme: AirPort Extreme saw the Arris, iBook saw the AirPort Extreme, but no internet connectivity.
As I was doing this, I had my ISP on the phone that confirmed complete connectivity of the signal path and ensured that I was online. While the Arris was powered down, my ISP also sent a "message" to the Arris; I don't know if this was a software update or what. I completed the AirPort set-uo through the Utility application, the AirPort restarted, and I was online.
Hope this helps.
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If I walk back the 3 steps the wireless connection comes right back, so the wireless itself around the house doesn't go out, so one person in the other room on their laptop or iPad etc are fine, but certain areas drop from 30 to 0 within a 3 inch span instantly... it just seems certain areas have become deadzones (like NYC for AT&T wireless).... but I have never had that issue with other cheap 20 dollar routers etc... so its just strange that this happens with a "better quality" product....
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