Default [Q] i have a LG l55c slider & can't access any of my phone

i have my brothers l55c, he has not rooted it or done any rom, nothing to the phone, he was in an apps doing something & the phone shut off, when he tried to power back up, it goes to the tracpone inc. blue screen & doesn't go any futher, we've tried theother ways of getting to the menu or back up, but it don't go any where but to that blue screen, can anyone help me??? i've asked others on other sites & no luck!