Dell studio1555
For errorin window, and dots on laptop screen

Respected sir,

My laptop name is dell studio 1555, service tag no. JM753BS,

MY COMPAINT ON WINDOWS ERROR WHEN LAPTOP IS STARTED SOME ERROR IS DISPLAYED AND TOLD SOME FILE MISSING (THE NAME IS PVVLWTR.DLL IS MISSING)

ANOTHER COMPLAINT IS SOME DOTS IS SHOWN ON LAPTOP SCREEN, SOME ARE SOMETIMES COMMING OR SAME ARE STILL THERE,

PLEASE TELL ME ABOUT THIS

THANKS