HITACHI NON-79 hit 47 will read orginals but no backups help

[deanicide]

ok so i have 2 hit 47 one orginally in the system and another that i know works. so ive flashed over 300 boxes and hit 47 usually work no problem but after i did the 13599 update by disc and then a flash to lt 1.1 with jungleflasher and like i said the orginal games work fine also im trying my all my backups even stuff as old as gears of war and all i get with both drives is unrecognized disc . so if any has any ideas please tell

 

[bluewizard_1]

This happens so I been told, I have been told also mark your disc with a marker and load the disc in the tray at different points. you will find the sweet spot the the game load well.