Ensure all power cables are securely connected to the PC and the wall outlet.
If your fan is running loud or the computer shuts down randomly: computer trouble shooting
(e.g., black screen, blue screen, loud fan, frozen) Are you seeing any error codes or hearing beeps? Is this a laptop or desktop? Ensure all power cables are securely connected to
If your computer has no lights, no fans, or a black screen (power-on self-test failure): Start with a hard reset. go to the "Startup" tab
Open Task Manager (Ctrl + Shift + Esc), go to the "Startup" tab, and disable apps you don't need immediately.