https://click4r.com/posts/g/18....411180/responsible-f
How to Repair Damaged Keys If you have one or more keys that don't function, it can be frustrating to type. Fortunately, if you own an extra key from the same keyboard or one that is compatible you can repair it without the need to purchase a new keyboard. Start by examining the issue. Look for any foreign material that could be blocking the key and hindering it from functioning correctly. Keycaps damaged by a crash You might have had to take off keys because of damage if you are