Root Galaxy S4 stuck at Verizon start up screen

[Andreamason50]

Verizon galaxy s4 i545 stuck at Verizon start up screen. Requesting step by step help on installing kies drivers and flashing back to stock Rom. I just don't know what less drivers to install and what the stock Rom is because it won't power on past the Verizon start screen not clueless on tech issues but I do need some pointers...any help would be grand