phone not syncing with wifi unless very close to modem

[AC Question]

When I move some distance away from the modem, I get a syncing authentication error, but as I get closer to the modem it automatically syncs correctly. It just started doing this about a week ago. I am on Time Warner cable.

 

[VW Maverick]

Welcome.
See if this can help: http://forums.androidcentral.com/am...roubleshooting-wi-fi-connection-problems.html

Mav.