If your computer is acting up, don't panic! Most issues can be resolved with some simple troubleshooting. Phase 1: The "No POST" / Won't Turn On Panic
Use compressed air to clean out dust from the fans. 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? If your computer is acting up, don't panic