try mo paps na habang naka kabit yung GPU, sa VGA mo isaksak yung monitor. after check mo sa device manager kung detected ba yung GPU mo. kung detected, try mo uninstall yung drivers tapos restart tapos tignan mo kung magiinstall automatic ng drivers.
Kung hindi naman detected yung GPU mo, 2 lang yan, either nasira yung GPU or yung socket ng mobo may problema. also, hindi po porke umiikot yung fan ng GPU ibigsabihin ok parin yung GPU. madalas kahit deds na yung GPU iikot padin yung fan basta nasusupplyan ng kuryente yung pyesa.