Hello everyone....I have got a sony vio second hand lap last month...I wr usig it properly without any problem..but day befor yesterday I decided to install windows 8..after installing I pressed shutdown option n its get off.then I closed my lap and kept it on my bag..after some time whn I took my lap out from my bag I opend my lap n I shocked to see that my lap is getting n automatically without pressing the power button...again I tured off n closed my lap..after some time again I opend n without pressing the power button its getting on....I m totally confsed wih this problem...plz help me...