my nvidia geforce gt 520 graphics card is not working in asrock z77 extreme 4 motherboard

Abhishekverma

Honorable
Jan 11, 2014
11
0
10,510
nvidia geforce gt 520 is pcie 2.0 and my motherboard asrock z77 extreme 4 having 3.0 pcie slots when i attached the graphics card display will not shown, what the problem ?

processor- i3 processor 2120 3.30 ghz
ram- 4gb