my samsung pro wont connect to the internet

[AC Question]

my Samsung galaxy tab pro SM-T900 wont connect to the internet when I turn on the Wi-Fi it says turning on and nothing happens it wont scan for the Wi-Fi connections I've tried to reboot the system numerous times but nothing happens it just says turning on and after a few minutes the Wi-Fi turns off...please help my tablet is only one yr old and I use it for everything I cant afford to purchase another tablet