Keyboardtest | Passmark

Before we dive deep, let's address the elephant in the room. A quick Google search for "keyboard tester" yields hundreds of free HTML5/JavaScript tools. Why should you pay for PassMark KeyboardTest?

While there are free online keyboard testers available in a browser, they are severely limited. They cannot test NKRO (N-Key Rollover) properly, they lack advanced logging, and they cannot run burn-in tests overnight. PassMark KeyboardTest is the industry-standard software application (for Windows) that turns your PC into a professional-grade keyboard diagnostic tool. passmark keyboardtest

If a key is "sticky" or unresponsive, you can gently pry off the keycap to clean the mechanism with a cotton swab and rubbing alcohol. Before we dive deep, let's address the elephant in the room