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Keyboard: Why are there markings on the F and J keys of a keyboard? This idea was patented 23 years ago.
Whether you're a desktop user or a laptop user, have you noticed something on your system's keyboard? Have you seen the ...
3don MSN
Ever wondered why only 'F' and 'J' have bumps on the keyboard; the reason is surprisingly smart
Tiny raised lines on the F and J keys, known as tactile markers, serve as crucial landmarks for touch typists. Patented in ...
Open the MacBook with the keyboard facing you at a 90-degree angle, and tilt it backward slightly. Spray compressed air left and right around the stuck key. While you're at it, you may want to do a ...
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