PC Stopped turning on

[Umbrazz]

So i have this pc for 4 years and recently it started getting some troubles,one day after using I turned it off and late at night it doesnt turn on for some reason,after trying to switch rams cleaning the pc etc etc nothing worked and I gave up,2 days later it turn on by himself,I thought it was weird but fuck it and kept using him,after 9 days he stopped turning on again,I searched and the most common problem was the psu so I changed the psu...I installed the new one and it didnt work,20 seconds later turn on by himself,used the pc that whole day and in the next morning didnt work,I've been here for 2 straight days without my pc not knowing what's the problem,and I'm afraid of replacing any spec and the problems persists,its a shitty pc I only use it for basic games and discord nothing special.

Ryzen 3 2200g

16gb of ram

Board is a Prime a330m-c 2.0

Gtx 960 2gb oc

[Cyberat]

Possibly MB or CPU are bad. If you have no display does not mean it's not on, maybe a GPU problem.

You need to be very specific on what's happening since we're doing this remotely.

Also what Power Supply Unit you're using.