i have a school issued dell Chromebook 5190 and the charger cable is bent outta shape but still charges the problem is is that it starts to get hot and it worries me as the last 5190 i had didn't do that is it the battery or is it something else i don't wanna pay for a repair for my Chromebook please help me also my school forced the sleep when lid close but my other 5190 has that setting and never heated up it gets dangerously hot like the battery could burn out