Mac keyboard testing and troubleshooting guides

Understand what your keyboard is telling you. These practical guides pair simple checks with the limits of browser testing.

A LITTLE KNOW-HOW

Good reads for a better Mac keyboard.

All guides

PRACTICAL GUIDE01

Mac keyboard not working: how to check missing or stuck keys

Start with a repeatable symptom. A careful comparison across keys, applications and connections is more useful than one unexpected result.

Read the guide PRACTICAL GUIDE02

How to test Mac function keys, F1–F12 and Fn / Globe

Your Mac’s top row can do two different jobs. The active behavior determines whether a website receives an F-key event or macOS handles a media action.

Read the guide PRACTICAL GUIDE03

Mac keyboard shortcuts and modifier key testing guide

Command, Option, Control and Shift change how other keys behave. Know the common combinations before using a keyboard tester.

Read the guide

Mac keyboard not working: a step-by-step check

Start with focus and connection, compare applications and record a repeatable symptom. Use the troubleshooting guide to build a useful picture before seeking repair.

How to test Mac function keys and the Fn / Globe key

Understand the difference between media actions and standard F1–F12 input, and why some top-row keys do not appear in a browser tester.

Mac keyboard shortcuts and modifier keys explained

Learn how Command, Option, Control and Shift affect keyboard input and why reserved shortcuts may leave a test page.

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