Question Intel i3 3220 and i5 3470 problems

Apr 14, 2019
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My pc with a i3 3220 recently broke due to cpu overheating i think.. soo i brought an i5 3470 to replace the old cpu but after i replaced it.. its still not working but it dosnt insta shut down anymore and the fans turn on but nothing on the monitor.. i kept wait for like 10 mins but still nothing
Pls help