my Nam vijay Singh my dell leptope on water down in keyboard my leptope of close in case battery take of roof on sun brights sometime my leptope on running 10 minutes but of close not on please my leptope pro blame in case solve

Mere laptop ka work nhi kr rha h thk s
Us m problem ho rha h
Problem ye h ki WiFi driver kam nhi kr rha h aur audio kam nhi kr rha h

I am starting the dell laptop but laptop is not give the display. display is black.please give the suggestion please