First of all, it is necessary that you check your laptop wireless network settings to make sure there is no timeout set after a certain amount of wireless operation inactivity. Secondly, if your laptop network settings are not timing your laptop out, then call 800-391-3000, use technical option, provide your Comcast account number, then request that the technical agent performs the following:
Log into your Comcast Gateway, then:
1. Make sure your WAN interface DNSs are programmed to pri=188.8.131.52 and sec=184.108.40.206
2. Make sure your LAN interface DNSs are programmed to pri=220.127.116.11 and sec=18.104.22.168
3. Make sure your LAN interface LeaseTime settings = FOREVER 4. Lastly, make sure your downstream and upstream power levels are between 0-5db and less than 44 db, respectively.
Checking and following the recommendations should allow your laptop to stay connected forever or until the next power outage....