Assalam-o-alaikum,
ap sub kaise ho?
Mein jab pc start karta hon to kafi der tak black screen aur uper side mein ak -- aisa nishan ata hai pher chala jata hai pher aata hai pher chala jata hai.
Aur pher boht der kai bad ye samne likha aa jata hai "eror loading operating system" .
Please help me experts.