my laptop taking too much time to start windows after upgrading to windows 10 ...every time when i turn on my device it taking too longer to start .so i shut down it forcily and turn on, again it taken too longer .again i shut down it and turn on then it starts automatic repairing after that windows is started, its not only for first time every time while turning on device it behaving like that how can i resolve this ,please provide solution for it???