High CPU on a Mac: when to wait, quit or force quit
Understand process CPU, whole-system idle capacity and accumulated CPU time, then use task progress to choose between waiting, quitting and force quitting.
Read guideA reason for every next step
Understand your Mac before you act.
Troubleshoot sustained Mac CPU use, trace a busy background process to its source, and compare QuietWatch with Activity Monitor before you stop a task.
Written by QuietWatch developer JINGREN CHEN, using Apple documentation and current app capabilities. Start with the built-in tools where they meet your needs.
Start with the problem in front of you
A busy Mac. Where do you start?
A Mac process keeps using CPU: how to identify its source
When an app, background helper, sync, export or build task keeps using Mac CPU, match its identity, parent process and real progress before choosing a safe way to stop it.
Read guideQuietWatch vs Activity Monitor: choose by the question
Compare macOS Activity Monitor with QuietWatch fairly: immediate system-resource inspection versus sustained CPU alerts, task context and confirmed manual actions.
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