Plain explanations of what slows a Mac down, and how to check it yourself.https://hedroomapp.com/https://hedroomapp.com/guides/fan-control-on-a-macbook-pro-whats-safe/https://hedroomapp.com/guides/fan-control-on-a-macbook-pro-whats-safe/macOS already runs your fans. What changing a fan curve can do, what to avoid, and what Hedroom does to keep it safe.Thu, 15 Oct 2026 00:00:00 GMThttps://hedroomapp.com/guides/is-your-external-display-making-your-mac-work-harder/https://hedroomapp.com/guides/is-your-external-display-making-your-mac-work-harder/Scaled resolutions, high refresh rates and several screens all give WindowServer more to draw. How to check, and what changing it can and cannot do.Thu, 15 Oct 2026 00:00:00 GMThttps://hedroomapp.com/guides/what-starts-with-your-mac-and-what-it-costs/https://hedroomapp.com/guides/what-starts-with-your-mac-and-what-it-costs/Login items, launch agents and background helpers all start when you log in. Most cost very little. Here is how to see which ones cost something.Thu, 15 Oct 2026 00:00:00 GMThttps://hedroomapp.com/guides/will-a-local-ai-model-fit-in-your-macs-memory/https://hedroomapp.com/guides/will-a-local-ai-model-fit-in-your-macs-memory/A rule of thumb for how much memory a local model needs, why context length matters, and what limits the GPU on an Apple Silicon Mac.Thu, 15 Oct 2026 00:00:00 GMThttps://hedroomapp.com/guides/find-the-app-slowing-your-mac/https://hedroomapp.com/guides/find-the-app-slowing-your-mac/A step-by-step way to find the app behind a slow Mac using Activity Monitor: memory first, then CPU, then energy.Tue, 13 Oct 2026 00:00:00 GMThttps://hedroomapp.com/guides/kernel-task-windowserver-and-friends/https://hedroomapp.com/guides/kernel-task-windowserver-and-friends/What the macOS processes at the top of Activity Monitor do, why they sometimes use a lot of CPU, and what you can and can't do about it.Tue, 13 Oct 2026 00:00:00 GMThttps://hedroomapp.com/guides/memory-pressure-vs-used-ram/https://hedroomapp.com/guides/memory-pressure-vs-used-ram/Why the colored graph in Activity Monitor tells you more than the 'Memory Used' number, and how to read it.Tue, 13 Oct 2026 00:00:00 GMThttps://hedroomapp.com/guides/what-swap-is-and-when-it-hurts/https://hedroomapp.com/guides/what-swap-is-and-when-it-hurts/Swap is macOS borrowing disk space to hold memory. A little is normal. Here is how to tell when it is costing you speed.Tue, 13 Oct 2026 00:00:00 GMThttps://hedroomapp.com/guides/why-ram-cleaners-make-macs-slower/https://hedroomapp.com/guides/why-ram-cleaners-make-macs-slower/What 'free memory' buttons actually do, why the effect is the opposite of what you want, and a test you can run on your own Mac.Tue, 13 Oct 2026 00:00:00 GMThttps://hedroomapp.com/guides/why-your-mac-says-memory-is-full/https://hedroomapp.com/guides/why-your-mac-says-memory-is-full/A Mac that uses nearly all its memory is doing its job. Here is how to tell normal from trouble, and what to check first.Tue, 13 Oct 2026 00:00:00 GMT