Hello, i know i love microsoft as much as the rest of you but i just wanted a change, so i tried to change my boot screen. i didn't choose the right NTOSKRL.exe file so now the computer won't boot. it gets past the dell splash screen and comes to aq screeching halt. i thried to start it in safe mode and tried to load the last good setting, but i got nothing. please help me i have all my work stuff on it and only backed up half of it.