Go to settings and then to the keyboard to change the layout. The next step requires selecting the correct language and layout. This is by far the best investment I've made in my years of mechanical keyboarding. I only wish that I had done it sooner, as testing out so many different switches side by side was highly educational. Simply open the tool and press all the keys on your keyboard one by one. Each key will turn green in our virtual keyboard if it’s working perfectly. Ques 7: How do I know if my keyboard is failing?

Using this tester with my existing tactile switches, I've determined which ones are good, great and kinda crap. If your keyboard is not responding well, you can also try running troubleshooting with Device Manager built-in Windows. It will help you understand if your keyboard is problematic or not. If the dust is not removed properly, use a compressed air cleaner. If you have spilled soda, get the keyboard repaired professionally. Ques 4: When Should You Use a Keyboard Tester?Or to know the functionality of the F1 and F2 keyboard as you cannot type them on documents. Ques 5: Who Should Use the Key Tester?