My pc does not turn on. I replaced motherboard, cpu, ram, and psu. There was smoke so thats why i replaced the parts. Is the problem the case when i press "on" or is the ssd the problem. I dont know anymore.
1. Can you boot your computer into bios? It will help if you list the spec of your computer.
2. If your computer power on but not boot into window, then you need to install fresh window since you replace motherboard and CPU.
from what you're describing it does sound like a dead PSU. make sure you have the PSU cables connected correctly. from the sounds of the last ones smoking you may have not connected the PSU cables to the right connections on it
it is possible any product you purchase is DOA. but in this case either your not connecting something right or you have bad luck. you build should at least be able to power on for a few seconds at least