Option 1: Cleaning the Surface
How to Fix a MacBook Pro Keyboard That Isn't Working
Gently pry up the jammed key. Use a screwdriver or other flat instrument to get under the key, and pull up slightly on one of the edges. You can also use your nail. If you are working on a laptop (whether PC or Mac), the key is held in place by a flimsy plastic clip, which also serves as the spring.
How to get your MacBook keyboard fixed now that Apple is repairing them for free. Apple is now fixing most of its modern MacBook, MacBook Air and MacBook Pro laptops with its newer butterfly-style keyboards for free. Apple's keyboards sometimes repeat letters or don't register inputs properly.
Another relatively easy method is to clean your keyboard's sticky keys using compressed air to blow out any debris, dust, or crumbs.
Here's our guide to why your MacBook keys may not be working and how to fix them.
Make>
If you have a keycap puller tool, this will be easy. Simply slide the keycap puller down the side of the keys until it is firmly planted underneath the key. Then, gently nudge the tool upwards until the key comes off. It is also possible for you to remove the keys without the keycap puller.
Fixing a loose keycap If the keycap is loose but still attached to the laptop, it can often be fixed by pressing down on the keycap. If the keycap re-attaches, a snap while pressing the key down is heard. If this does not fix the issue, we suggest removing the key so it can be re-attached.
How to Fix a MacBook Pro Keyboard That Isn't Working
Spray your keyboard from left to right in a zig-zag pattern. Using the same zigzag pattern, spray the keys again. This time, you'll start at the fn (function) key. Again, use the zigzag pattern to spray your keyboard with the compressed air.
Apple Keyboard (109 and 78 keys)
Official Apple Store Cost You'll likely be charged about $125. But that does not include keyboards that have been damaged by water or other liquids. Those repairs from Apple will cost you anywhere from around $600-$1,300, depending on the size and state of your laptop.
Key still doesn't work after fixing or replacing In the case of a problem with the circuit board, you need to replace the entire keyboard, including the circuit board, to fix the problem. To replace the entire keyboard, contact the laptop manufacturer to see if you can purchase one directly from them.
How to clean sticky keyboard keys.
Here's how to do it.
Run compressed air or a microfiber cloth back and forth across the upside-down keyboard to dislodge any loose debris that may be hanging out around or under your keys. If you notice something is still stuck under a certain key, try tilting the laptop to different angles to get it out.