Repair Guide
Loud Laptop Fan? Here's Why (And When to Worry)
Laptop fan sounds like a jet even when idle.
Common Symptoms
- Constant fan spin
- Rattling / grinding noise
- Fan intermittently stops
Likely Causes
- Dust build-up
- Failing fan bearing
- CPU running hot due to bad paste
- Background process pegging CPU
DIY Steps to Try
- Check Task Manager for background load.
- Compressed-air blow through vents.
When to call HOPE Systems
Grinding = fan replacement (₹899+). Constant load with clean vents = thermal-paste service.
Recommended Service
Desktop & Tower PC Repair
From ₹499 · Same day
Frequently Asked
Is a loud fan dangerous?
Not immediately — but sustained thermal stress shortens motherboard life.