What your Mac is actually doing.
Plain-English write-ups of the processes people search for after seeing them eat their CPU, and the reasons a Mac slows down.
What Is kernel_task and Why Is It Using So Much CPU?
Seeing kernel_task at 500% CPU in Activity Monitor? Learn what this process does and why high CPU usage is actually a feature, not a bug.
Read it → 10th June, 2026What Is trustd and Why Is It Running on My Mac?
Discover what the trustd process does in macOS, why it uses CPU and network bandwidth, and how it keeps your Mac secure.
Read it → 9th June, 2026Why Is My Mac Slow? 6 Real Reasons and How to Fix Them
Is your Mac running slow? Learn how to diagnose high CPU usage, memory pressure, thermal throttling, and background processes using built-in macOS tools.
Read it → 8th June, 2026How To Check CPU Usage On Mac
Learn how to check your Mac CPU usage using the built-in Activity Monitor and how to interpret the numbers to find apps slowing down your computer.
Read it →Stop staring at numbers.
Keep your Mac's important signals one glance away, and get a useful answer when something does not look right.
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