Question cpu turns on but no display

Sep 20, 2020
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Hi, i have a 2 year old unit, amd a8 7600 cpu in an msi a68hm e33 v2 mobo. Issue: cpu / fan immediately turns on after plugging in psu, no display, no beep codes, cleaned and reseated ram and cpu,tried reset bios, cant acccess bios, no thing worked even tried changing to a known working psu, same issue, no spare cpu or ram to switch or test..weird part is mb does not immediately turn on when no cpu or ram is installed and can be turned on and off normally..please help..thanks