Laptop keyboard test
Press every key to find dead or stuck keys on a Windows laptop or MacBook. Blocks F5 and F12, with a keyboard-lock mode to test F11, Esc and the Windows key too.
✓ Pass if
- Every key lights up when pressed
- The bold outline goes when you let go
✗ Fail if
- A key doesn't light up (dead key)
- A key stays bold after release (stuck key)
Next test: Touchpad and mouse test ›
Other tests
- Check device specs
- Dead pixel, backlight bleed and burn-in test
- Screen refresh rate test (Hz)
- Touch screen test: dead zones and ghost touches
- Multi-touch test
- Speaker test: left, right, distortion
- Microphone test: record and play back
- Front camera, rear camera and flash test
- Touchpad and mouse test
- Sensor and vibration test
- Fingerprint and Face ID test
- Battery and charging port test
- CPU test: performance and overheating
- WiFi and network speed test
- GPS and location test
- Manual used-device checklist