Battery light stays on and droid keeps saying android system after boot??????

[jasonkart19]

i need some advice i tried rooting my og droid a855 i am new to the droids so i messed up my phone it will still power up and soon as it does the battery light comes on and the screen goes black and it shows android systems across top of screen i forgoy to run backups before i began to root i have tried many other ways to get back to stock 2.2.2 with no luck i have tried rsd lite and dont seem to be doing it correctly or dont have the proper files downloaded it keeps sayin something like xml files are missing i really need some help with this any would be appreciated:-[