Hello , firstly english is not my first language so sorry for any grammatical incorrectness , i have an issue with Win10 , when i start the pc , logo of mother board normally runs , but login screen is black without cursor , nothing hepled so i decided to make a fresh install of OS on clean disc , after it it worked fine , login screen appeared and i managed to get to normal screen , after 10 minutes it maked sound like if you unplug a flash drive and again black screen , no cursor even after restart . pls help because i'm desperate