you can take out the batteries, your descriptions however sounds like it could also be caused by liquid being spilled into it
testing with another keyboard and testing the keyboard with another computer would verify where the issue was located
you can take out the batteries, your descriptions however sounds like it could also be caused by liquid being spilled into it
testing with another keyboard and testing the keyboard with another computer would verify where the issue was located
Connect an external keyboard and test. If that works as expected then it's probably hardware on your keyboard and you should have it repaired.
How to restart a MacBook keyboard?