Keyboard Test
Press physical keys on your keyboard. They should illuminate on the layout below. When you're done testing, decide if everything works.
How to Use This Test
Focus the Test Area
Click anywhere on the page to ensure the browser window is focused. The test listens for keyboard events globally.
Press Physical Keys
Press keys on your physical keyboard. Each pressed key will light up in cyan on the visual keyboard layout, showing you exactly which keys the browser detects.
Test Different Sections
Press keys from different rows — letter keys, number keys, function keys, space bar, and modifier keys (Shift, Ctrl, Alt) to verify comprehensive coverage.
Decide and Submit
Press as many keys as you need to. When satisfied, click 'Everything Works' to pass or 'Some Keys Broken' to fail.
What Your Results Mean
All Keys Working
You pressed all or most keys and confirmed everything works. The keyboard hardware and OS driver are functioning correctly.
Some Keys Not Responding
If certain keys didn't light up when pressed, they may be physically damaged, have debris underneath, or have a failing key switch mechanism.
Keys Register with Delay
Slow key response can indicate a low battery (wireless keyboards), USB connection issues, or excessive system load. Try a wired connection or fresh batteries.
Key Registers Multiple Times
Keys that appear to double-press may have a worn-out switch or firmware issue. This is common with mechanical keyboards that have seen heavy use.
Common Problems and Fixes
No keys register at all
Verify the keyboard is connected (USB plugged in, Bluetooth paired). Try a different USB port. On laptops, check if the built-in keyboard is disabled in BIOS settings. Test with an external keyboard to isolate whether it's a hardware or software issue.
Specific keys don't respond
Clean under the non-responsive keys with compressed air. Debris or liquid residue can block key switches. If cleaning doesn't help, the individual key switch may need replacement. Mechanical keyboards allow easy switch replacement.
Keyboard layout looks wrong
The test displays a standard US QWERTY layout. Your keyboard may use a different regional layout. The key codes should still match even if labels differ. Check your OS keyboard settings to ensure the correct layout is selected.
Wireless keyboard has intermittent response
Replace or recharge the batteries. Ensure the wireless receiver is plugged into a USB port close to the keyboard. Move away from other wireless devices that may cause interference. Try re-pairing the keyboard.
Modifier keys (Shift, Ctrl, Alt) don't work
Some browsers handle modifier keys differently. Test these keys in a text editor first to verify they work at the OS level. If they work elsewhere but not in the browser, it may be a browser-specific limitation.
Frequently Asked Questions
Why do some keys not light up when I press them?
Some keys share the same key code or may be handled differently by the browser. Function keys (F1-F12), media keys, and some modifier keys may not register in web-based tests. Also check if the key is physically functioning by testing it in a text editor.
Does this test work with on-screen or virtual keyboards?
This test is designed for physical keyboards. On-screen keyboards triggered by touch input won't register the same key events. If you're on a tablet or phone without a physical keyboard, the test will show limited functionality.
Do I need to press every key to pass?
No. Press as many keys as you want across different sections of the keyboard. When you're satisfied, click 'Everything Works' to pass or 'Some Keys Broken' to fail. There is no minimum — test what matters to you.
Can this test detect sticky or double-pressing keys?
The test shows each key press in real time. If a key appears to register multiple times for a single press, or doesn't register at all, the visual feedback will reveal it. Sticky keys that physically don't spring back will show as continuously lit in the test.
Why does the layout look different from my physical keyboard?
The test renders a standard US QWERTY layout. Your physical keyboard may have a different regional layout (AZERTY, QWERTZ, etc.) or additional keys. The key codes should still match, even if the visual labels differ slightly.
Does this test work with wireless keyboards?
Yes. The test works with any keyboard that your OS recognizes — wired USB, wireless USB dongle, or Bluetooth. Ensure the keyboard is connected and paired before starting the test.
Why This Test Matters
Verifying keyboard functionality before purchasing a used laptop
Troubleshooting unresponsive keys during important work or gaming sessions
Diagnosing keyboard issues after liquid spills or physical damage
Confirming keyboard repair was successful after professional service
Testing external keyboards before important data entry tasks
Related Diagnostic Tests
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Test mouse buttons and scroll wheel functionality.
Touch Screen Test
Verify touchscreen digitizer accuracy as an alternative input method.
Device Info
View detected input devices and keyboard layout information.
Microphone Test
Test audio input for voice-to-text dictation alongside keyboard input.