In past my pc working with an 1650 4gb and before a time doesn t working with that.with other graphic card its working but with old graphic card doesn t .when i put the old graphic card (gtx1650) pc wint trart either.just a little sound on power supply .whats urong cai i fix the graphic card ?. Right now pc working with some 500mb graphics card .power suply have 750w .thankss