Bootup

So this has happened twice now and it's concerning me. I have a surface book i5 with the gpu, and twice in the last week I've closed the lid to put it to sleep, put it into a carrying case, and went off to school. Today and the time before when I took it out of the bag a few hours later the...

from last couple of days my laptop is behaving madly. it suddenly turned off like there was some power problem. it start normally but suddenly turn of again and again, and last day it stop charging battery, i tried to remove drivers and installed them again but noting help. now my battery is...