Take Control of Troubleshooting Your Mac (3.0) by Joe Kissell

Author:Joe Kissell
Language: eng
Format: epub, mobi, pdf
Publisher: leanpub.com
Published: 2017-12-19T16:00:00+00:00

Try the following steps until your fan noise returns to tolerable levels:

See if it’s a software problem. Use Activity Monitor to see if an app is keeping the CPU unusually busy. If so, the app might have a bug or need updating, or you might need to reduce the number or complexity of tasks you’ve asked the app to do.

Eliminate dust. See the sidebar Deal with Dust, ahead.

Reset the SMC. See Reset NVRAM or SMC.

Check for other hardware faults. Use Apple Hardware Test or Apple Diagnostics (both covered in Check Your RAM) to see if another component is reporting a failure.

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