first sir compatible po ba yung OS?then baka po may naging error while reformating your laptop po then na skip mo kaya nagtuloy lang..also check all drivers po..
Baka corrupted yung driver or installer mo kasama...posible rin may virus or malware sa ibang drive mo? Halimbawa naka double partition ka C at D...At ni -reformat mo ay Drive C dahil by default dyan nakalagay yung OS mo...Baka may virus or malware sa'yong drive D...Naka multiple partition ka ba?