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#SMC FAN CONTROL TEMPERATURE MAC#

#SMC FAN CONTROL TEMPERATURE MAC#

Since Mac is overheating, the fan does its best to dissipate heat. Overheating is a probable cause of loud fan noise. Please note that fans run for a relatively long time when Spotlight indexes your hard drive. Ideally, the fan noise should die out in minutes if not, proceed to the next step.

Check apps with the highest CPU usage, and close the apps you don’t need.

Open Activity Monitor → Select CPU Column.

Identify resource-hogging apps using Activity Monitor. Most importantly, you can close other apps using graphic-intensive apps like Lightroom CS5 or Final Cut. Furthermore, scores of open browser tabs add to the problem. Use Activity Monitor to check CPU usageĬhrome browser is notorious for sapping computing resources.

Didn’t reset SMC in a long time (For Intel-powered MacBook)ġ.

Ambient temperature should be within operating range.

Use Activity Monitor to check CPU usage.

The steps below will help identify the reason for the loud Mac fan. In certain cases, the fan fails to switch off even after the temperature goes down. The problem starts when the Mac fan keeps going for a longer duration. Besides, if your Mac fan turns on only during intense tasks, it is nothing to worry about.

Typically, the fans start whirring whenever you are running graphics-intensive tasks like video editing, gaming, and more. Sometimes it could be faulty hardware or other issues like decreased airflow.