Laptop Fan "Grinding" or Rattle Noise
4.5
The fan makes a loud, unpleasant mechanical noise like something is hitting the blades.
Symptoms
- Grinding noise
- Vibration
- Fan stops spinning
Possible Causes
- Worn bearing
- Object in fan
- Bent fan blade
Step-by-Step Fix
1
Inspect for Debris
Open the back and ensure no wires or stickers are touching the fan blades.
2
Lubricate Bearing (Temporary)
A tiny drop of sewing machine oil can quiet a noisy bearing for a while.
3
Replace the Fan
Laptop fans are cheap and usually easy to replace; don't wait for it to fail completely.
When to See a Technician
A grinding fan will eventually stop, leading to an immediate overheating shutdown.
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