These are some symptoms that may be caused by the cooling fans. Other components may also cause these same symptoms, check the general diagnosis page for more information. |
Symptom | Check
Click on underlined items for further information |
It makes a squealing or other loud noise | - The power supply fan is failing and needs replacement. In most cases, the entire power supply must be replaced.
- The CPU fan is failing and needs replacement.
- Another cooling fan, such as a case, drive or auxiliary fan is failing and needs replacement.
|
The fan is slow or does not spin at all | - The power supply fan is failing and needs replacement. In most cases, the entire power supply must be replaced.
- The CPU fan is failing and needs replacement.
- Another cooling fan, such as a case, drive or auxiliary fan is failing and needs replacement.
- Any of the fans listed above are dirty and need to be cleaned.
|
The PC freezes or shuts itself off unexpectedly | - The system may be overheating because of inadequate cooling. Check that all cooling fans are working properly.
|
