Performance
My Mac is slow
Separate storage, memory, CPU and network delays.
Mac troubleshooting · Free help library
A practical next step for the Mac you depend on. Use the tools already on your Mac, protect your work, and change one thing at a time.
No account or app required. No automatic scan. No guaranteed fixes.
Save what responds. Verify an independent copy before removing important data.
Describe the symptom, try one reversible change, and repeat the same task.
Unreadable disks, damage and repeated shutdowns may need qualified support.
Choose what is happening
Start with the closest symptom. Each guide includes checks, limits and the next support route.
Performance
Separate storage, memory, CPU and network delays.
Memory
Read memory pressure and test a real workload.
Updates
Check indexing and app compatibility.
Connectivity
Compare devices, services and networks.
Storage
Find owners behind the System Data label.
Files
Understand recovery and storage accounting.
External drives
Check visibility and connections before erasing.
Backups
Keep the last usable copy while troubleshooting.
Startup
Choose the right Apple silicon or Intel steps.
Crashes
Collect a pattern and isolate peripherals.
Apps
Save work and choose the least disruptive exit.
Privacy
Check the right app and browser permission.
Temperature
Compare the workload and ventilation.
Battery
Separate battery condition from task energy use.
Developer
Protect source, private packages and offline work.
Travel
Rehearse with local files, power and a recovery plan.
More from the same publisher
LearnHubPlay publishes Tend and these resources. These are related first-party guides, not independent endorsements.
Plan independent copies and a restore rehearsal.
Open the Backup PlannerCheck the protections and sensitive permissions that matter to your work.
Prepare, transfer and verify before retiring the old computer.
Help the next person
Use our report template to keep the facts clear and private details out. Send a correction with the page address and a source, or suggest a problem this library should cover next.
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