Iphone5s and ipad have lost wifi connection
My husband's iphone 5s suddenly lost wifi connection last night but his ipad worked fine. Today his iPad will not connect to our wifi. He is continuously asked for the password for the network but it is not accepted when he enters it. I have also tried putting in the password so I know he's using the correct one and it still refuses the connection. My wireless things.....iphone 6, ipad and ipad mini , laptop are all connected using the same network and password and work fine. Does anyone have any idea how to fix his issue? He does have an iMac that is on wireless and so far is working.
Thank you for any help you can give.