nice tut, but need some help. finished and booted xbox and got a frozen screen after sign in, rebooted box with hard drive out and got E71 error, used xell and my orig nad to flash back to the dash i was on, fsd is working but now i cannot even load up the actuall dash where i change system settings and check dash version gives e71 error when switcing dashes, thinking maybe a bad file on hd? dont want to reformat thou and loose everything or maybe dashlaunch is causing errors was on 2.22 i believe. anyways jasper 256 phat freeboot jtag, yes i check 16203 and did the tut twice had bad blocks at 166 and 167 but dont believe that caused the problem. also just tried to load a game from external hdd and got e71 so i got xbox working past sign in but will not load anything gonna see if i cal load xexmenu but im really not sure now what i did because the only dash before i tried to update worked perfect. any susgestions thanks