Keycap pullers come in plastic and wire types. The wire variety is considered better than the plastic kind because they are more durable and less likely to scratch the keys. Both varieties will work just fine to remove keys. However, if you are concerned about scratches you should use the wire kind.
With wire keycap pullers, you can remove 3 or 4 keys in succession before you need to take them out of the puller. [3] X Research source
A screwdriver or knife can easily scratch your keys and keyboard, so keep this in mind if you are worried about some small superficial damage your keyboard.
Work slowly as you pry up the keys so that you don’t end up launching them into the air, never to be found again!
If it looks like anything is damaged underneath the key, you should take your keyboard to a computer repair shop for inspection. Use compressed air to blow out any major dust and debris. [8] X Research source
If you are replacing the keys with new ones, you can just throw away the old keys. Be sure not to wash your keyboard directly! Only wash the keyboard caps.
You will hear a click and feel the key pressing down normally when it is attached properly. [9] X Research source
