If you recently added new RAM or a new graphics card, remove it to see if that solves the issue.
(e.g., black screen, blue screen, loud fan, frozen) Are you seeing any error codes or hearing beeps? Is this a laptop or desktop? computer trouble shooting
Pay attention to a sequence of beeps or flashing lights on the motherboard; these are error codes telling you what's wrong. Phase 2: Computer is On, But Slow/Broken (Windows) If the computer turns on but runs slow or freezes: If you recently added new RAM or a
Open Task Manager (Ctrl + Shift + Esc), go to the "Startup" tab, and disable apps you don't need immediately. go to the "Startup" tab