I bought a gtx 590 for 50€ to replace my gtx 650ti that provides less power and vram, but after i swapped cards the pc beeps 5 times and then goes to windows without posting and without detecting the GPU
Specs:
Athlon 860k 4.2GHZ
Asrock FM2A78M-DG3+
2x4GB 1866MHZ Kingston Hyperx Blue
Nox NX750W...