Question 1

How do I use the Input Device Tests - Keyboard, Controller & Touchscreen Testing?

Accepted Answer

Click Start Test (or the equivalent button) to begin. The test runs directly in your browser — no software installation required. For best results, close other apps to free up GPU resources, and run the test in full-screen mode (F11 in most browsers). Results appear within seconds and can be screenshot for documentation or warranty claims.

Question 2

What does the Input Device Tests - Keyboard, Controller & Touchscreen Testing test for?

Accepted Answer

This tool tests the specific display characteristic described above using standardized test patterns that reveal issues your eyes might miss during casual use. The patterns are designed to stress-test the panel in ways that surface manufacturing defects and performance limitations that matter for real-world use.

Question 3

Is the Input Device Tests - Keyboard, Controller & Touchscreen Testing free to use?

Accepted Answer

Yes — all TestBeforeYouBuy test tools are completely free, no account required. We believe you should be able to verify your purchase before or after buying without paying for the tools to do so. If you find a defect using our tools, our troubleshooting guides and return policy guides help you take the next steps.

Input Device Tests

Keyboard Tester

Controller Drift Test

Touchscreen Test

Recommended Testing Equipment

Recommended: Razer BlackWidow V4 Pro Keyboard

Recommended: Logitech G PRO X Superlight 2 Mouse