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Note: When testing the numeric keys on the numeric keypad, ensure the Num Lock indicator on your keyboard is illuminated.

Keyboard Testing Tool Introduction

Keyboards are fragile computer peripherals yet essential computer accessories. Frequent computer users, especially programmers, rely on them daily. Keyboards are prone to malfunction, and when keys fail, certain letters or numbers become unresponsive—which is incredibly frustrating. Here at pcjson.com, we provide an online tool to test your keyboard keys. Each press of a physical key highlights the corresponding key on the virtual keyboard.

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