tinry ko na iforce restart pero ganon pa rin lumalabas, kapag ba nireformat ko to maayos?try to force restart po sir if not fixed
try to search for error code
get a bootable disk na may OS and try if gagana
if yes then probably may corrupted sa HDD/SSD, try to reinstall OS
if wala pa rin, change HDD / SSD boot disk
if wala pa rin, try resetting BIOS thru removing CMOS
if not try changing RAM stick
and so on po