Traces of the app can be left behind in files. Removing apps manually is quick and easy, but it’s not comprehensive. Open Trash > Empty to permanently remove the app.Find the app that you want to delete and drag it from the Applications folder to the Trash.Position the pointer over the app you want to get rid of and press and hold until all the icons start to jiggle.You can delete applications manually in one of two ways: using the Launchpad and the Finder. If it’s doesn’t work, you can easily reinstall them. Try deleting recent apps to see if the keyboard regains proper function. Is the problem a recent one? Has it occurred only after downloading a new app? It’s not unheard of for an app to cause conflict and knock other things out of sync. You can do this by going to the Apple menu > About This Mac > Software Update and checking the “Automatically keep my Mac up to date” box. It’s worth having your Mac check for updates automatically. If updates are available, click on the Update or Update All button to install them. To check for updates, open the App Store and click on the Updates icon. Is your system up-to-date? It seems obvious, but there’s every chance that outdated firmware, drivers, or even the operating system affect the keyboard. Hopefully, though, it provides the fix you’ve been searching for. Repeat with the MacBook rotated to its left side.Īt the very least, using compressed air rules out any crumbs or bits of debris being the cause of the Apple keyboard not working.Rotate your MacBook onto its right side and spray the keyboard again, from left to right.Use the compressed air to spray the keyboard in a left-to-right motion.Hold your MacBook at a 75-degree angle.If you have those things, here are Apple’s suggested steps: To make this work, you’ll need a can of compressed air and a straw to control the airflow. Cleaning is actually Apple’s recommended fix for unresponsive keyboards.

Here are a few things you can try to kick it back into life. Whether it’s one key or all of them, your MacBook is all but useless if the keyboard isn’t working. See what’s draining your battery, find hidden files, and track tons of indicators that impact your Mac’s performance.

Macbook g4 keyboard keys