Your Mac slows to a crawl mid-task, then quietly recovers. It is not random — it is thermal throttling. Here is what it is, how to spot it yourself, and how to catch it before it bites.
Your fans are screaming, the palmrest is warm, and Activity Monitor shows a wall of numbers — but nothing obviously wrong. Here is what is actually happening, how to read it, and why thermal throttling is doing exactly what it should.
Three copies of the same video scattered across Downloads, Desktop, and an old project folder. Which one is safe to delete? The challenge isn’t finding the duplicates — it’s not deleting the one that matters.
macOS Storage settings shows a vague bar with a giant "System Data" bucket. Here is what is actually in there, how to find the real culprits yourself, and why a proper disk map saves you an afternoon of guessing.