Root stuck on white screen

[defjef123]

i just did a nand backup turned off phone and when i turned back on its stuck on white htc evo screen. havent flashed any roms.did a full wipe tried to restore and the same thing happened

 

[defjef123]

that was scary. i have no clue what happened. i cant restore my nand backup. flashed sprintlovers rom and that fixed it for me.