Laptop fan not running
4.5
The fan does not spin at all, leading to rapid overheating.
Symptoms
- Silence
- Sudden shutdown
- Extreme heat
Possible Causes
- Stuck fan
- Disconnected cable
- Dead fan motor
Step-by-Step Fix
1
Check for Obstructions
Ensure no debris is physically blocking the fan blades.
2
Verify Connection
Open the laptop and ensure the fan header is plugged in.
3
Replace Fan
If the fan doesn't spin when 5V is applied, it's dead.
When to See a Technician
Running a laptop without a working fan will cause permanent motherboard damage.
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