Noisy fan on PC

Symptoms

PC’s fan is making loud sounds.
  • Clicking
  • Beeping
  • Whirring

Environment

  • Acer laptops
  • Dell personal computers

Cause

The gears that spin the fan have gotten corroded or dirty over time.

Resolution

The fan must be cleaned to restore silent operation.
  1. Open the PC
  2. Identify the fan
  3. Spray it with compressed air or wipe it gently with a clean rag
  4. Put the PC back together
How To