check hardware po if possible damage sa graphics card
check drivers po
paki linis ng computer mo
do every possible solution
if non fix meaning the problem is your graphics card
bili na ung sale if mayaman ka highest graphics card specss
Ano ba gamit mo, onboard graphics (CPU) o video card (GPU)? Kung onboard graphics, baka may tama na ang CPU mo. Kung video card, subukan mo linisin ng eraser ang contact. Kung may brush ka, linisin mo na din ang saksakan ng video card.