Stock restore not working fully

view story

http://forum.xda-developers.com – So, before flashing custom ROMs, I made a stock rooted restore, recently I tried restoring to it, and it went successful, until it wants to boot.. I'm just stuck at a black screen. Only able to access recovery. Forced to flash back a custom rom =/ couldn't even get to the sprint boot animation. Anyone know how to fix the boot issue? I use twrp recovery, My stock nandroid was lj7, and so was the custom rom I flashed, if that would effect it in any way. (HowTos)