Motorola cpei35775 wifi setting problem

hey friends:

I need your help, I changed some setting at router and when i applied these setting and restarted the router, the wifi service just got disabled. I tried to enable the wifi service but it wont applying and comes as blank page after applying the setting.... I also reset and applied factory default setting but i cant get wifi service enabled. the wifi setting is not saving..

any solution for it...?

still waiting for solution..

i think no one using wateen now a days...