Pag sira ang fan may chance na gumana ang video card pero mag overheat yan kaya mamamatay. This means iba ang problem ng old PC mo...
For the new PC dahil hindi napagana ang video card... check mo kung 500 watts ang binigay sayo na PS... kung hindi that means hindi kinaya ng PS yung drain ng Video Card...
And also the brand of the video card matters... pag branded 2 years warranty nyan!
Saka wag technician kausapin mo jan sa problem mo... talk to the owner!