iyadd

i dont know how to set the game to run on a certain gpu please tell me how to do it

no to the graphics card

i was playing Fortnite normally and then i closed the pc after 2 days i opened the game then found that i get 30 frames while at first i was geting 200 and 150 fps i searched up alittle bit then i found out that my graphics card is doing nit more than 10% usage and the proccesors graphics card does 99% so what should i do i tried uninstalling the game and then installing it it worked for a day then i tried it today i found out it got =back as first so what should i do PLEASE HELP ME ASAP