Ps4 silm want turn on

My ps4 has been off for 5days Now and the time it when off its the time I was playing gta5 and it just want off and can’t turn on again I have tried the plug but It can’t turn on plz help me wat can I do is it the power supply or the ps4 is dead plz tell me wat to do and it my first ps4 silm I have tried everything but is not working but I have not opened it so wat can I do

It’s a power supply u have change

Thinks am going to fix it but can the power supply be fixed I don’t want to buy a new one

Yes it can be fix with proper tools

Ok think for the help elias