Computer Trouble Shooting -

Make sure you have at least 10-20 GB free on your C: drive. Delete large files or empty the Recycle Bin.

If your computer has no lights, no fans, or a black screen (power-on self-test failure): Start with a hard reset.

Use compressed air to clean out dust from the fans. computer trouble shooting

Unplug USB drives, printers, external hard drives, and cameras. A faulty USB device can prevent booting.

(e.g., black screen, blue screen, loud fan, frozen) Are you seeing any error codes or hearing beeps? Is this a laptop or desktop? Make sure you have at least 10-20 GB free on your C: drive

Use Windows Security to perform a full system scan for malware. Phase 3: Overheating & Loud Fans

If you ask for help in a forum, always give your PC specs (CPU, RAM, GPU) and describe the exact symptoms! If you are still having trouble, let me know: Use compressed air to clean out dust from the fans

If you recently added new RAM or a new graphics card, remove it to see if that solves the issue.