Are the labels fading or vanishing on your keyboard? Here is a tip I found on how to protect them before it happens.
Coat the top of each key on the keyboard with clear nail polish…I use Hard As Nails.
You can read the original post and thread at the Seeds of Wisdom Forum.
I personally don’t care when my keys wear off. I already know where the keys are to start with. But this may help you. I would also *not* try this with a laptop. Too easy to slip.
