How to Test Keyboard on Mac

Testing your keyboard on Mac helps identify stuck keys, non-responsive keys, and other issues. This page shows how to test your keyboard using online tools and macOS built-in features. Start with the online keyboard test for the most comprehensive check.

You can verify every key using the keyboard test.

Use Online Keyboard Test

The online keyboard test provides the most thorough keyboard check.

• Open the keyboard test page
• Press each key on your keyboard
• Watch for keys that light up or register
• Note any keys that don't respond
• Test modifier keys like Shift, Control, Option, and Command
• Check function keys and number pad if available

Test in TextEdit

Simple text editor can help identify specific key issues.

• Open TextEdit
• Type each letter, number, and symbol
• Check that correct characters appear
• Test Shift key combinations
• Verify special characters work
• Test Command key shortcuts

Check System Preferences

Verify keyboard settings in System Preferences. If your keyboard isn't working at all, see the guide on keyboard not working for comprehensive troubleshooting.

• Open System Preferences → Keyboard
• Check that keyboard is detected
• Verify key repeat and delay settings
• Test modifier key assignments
• Check function key behavior settings

Use Keyboard Viewer

macOS includes a keyboard viewer that shows key layout.

• Open System Preferences → Keyboard
• Check "Show keyboard and emoji viewers in menu bar"
• Click the keyboard icon in menu bar
• Select "Show Keyboard Viewer"
• Press physical keys and watch on-screen keyboard
• Keys that don't highlight indicate problems

Test All Key Types

Test different types of keys to ensure comprehensive coverage.

• Test letter keys (A-Z)
• Test number keys (0-9)
• Test function keys (F1-F12)
• Test modifier keys (Shift, Control, Option, Command)
• Test number pad if available
• Test arrow keys and navigation keys

Check for Sticky Keys

Sticky keys can interfere with keyboard testing.

• Open System Preferences → Accessibility → Keyboard
• Check Sticky Keys settings
• Disable if it interferes with testing
• Test keyboard after adjusting settings

Verify Keyboard Works

After testing, use the online keyboard test to verify all keys are working correctly. The test provides visual feedback and helps identify any remaining issues.

Check your keys with the keyboard test.

Frequently Asked Questions

Use the online keyboard test to confirm everything is working.