Man that reallysucks I hzte this lg even though when I plug it into a charger a orangeled comes on like its chargin same when I plug it in to a comp but the pc wont recognixze device heck it wont even acknoledge that anything is even plugged in if ii was to take it to sprint they couldnt do nothin with it u think andi really appreciate u tryin tohelp me out hope u got that rest but thanks again
no rest for the wicked

not sure on what sprint will do. they will not be able to tell that your phone was rooted, since you can't get to the bootloader screen. you are most likely out of warranty and they will probably hand it over to assurion anways which they never care about it being rooted or not.