If it properly turns on without the screen turning on, it's because of either of 2 things. First check the power button's light. If it doesn't light up, then the PC doesn't even work. However, if turns on then the problem is either A. Hardware:- Where your monitor is fucked up and needs to be fixed B. Software:- Your BIOS (Basic Input Output Software) has a virus in it so the monitor doesn't display anything. Tech store ብትሄድ ያዝጉሀል። Most of them seek to get as much money as they can from you. So if you know a person who knows tech well show them your problem ወይም ደግሞ go to a legit tech store. Good luck, man.