I have a RCA Tablet. Yesterday I had it connected to my phones hot spot with no problem. Today it won't connect, at first it was saying authentication error. Now it will not even show up when the tablet searches for networks. I know the connection it good because I have my dish receiver connected.
Ok, close down the phones hotspot. Destroy the WIFI on the tablet. restart the hotspot, and have the table re-query for the hotspot. I am certain the credentials between the two devices have expired, and you just need to re-create the connection. The two devices are trying to connect with the expired creds! Post back!