We managed to discover some of the most common causes that will trigger this particular issue. We have done this by looking at various user reports and the repair strategies that they used to get the issue resolved. Here is a shortlist with common scenarios that have the chance of triggering this particular issue:. We will start from the most common and simple method to the detailed one.
There can be a chance that the culprit is the shortcut keys itself. Most users finding themselves in a similar situation managed to fix the issue by restoring the keyboard shortcuts for screenshots to default. Sometimes, a third-party application interferes or shortcut keys are glitched due to which users are unable to use it for a screenshot.
Follow the below steps to restore default shortcuts:. Sometimes, you can be using another language than English. Because of using different language your keyboard shortcuts changes for different symbol or task. If you are using another language, you can fix this simply by changing your language back to English as shown below:. Note : You can also remove the secondary language by selecting it and pressing the minus sign.
This issue also occurs if you are using some third-party screen capture application or any other application that interferes with screenshots.
Some users were able to solve the issue by checking the shortcuts for other default applications or if any third-party application is using the shortcuts for themselves. At the very least, using compressed air rules out any crumbs or bits of debris being the cause of the Apple keyboard not working. Is your system up-to-date?
To check for updates, open the App Store and click on the Updates icon. If updates are available, click on the Update or Update All button to install them. Is the problem a recent one? Has it occurred only after downloading a new app? Try deleting recent apps to see if the keyboard regains proper function. Traces of the app can be left behind in files. The trackpad on MacBook is one of the best around and it works brilliantly with macOS… When it actually is working, that is.
[Solved] Macbook Pro Left Shift Key Problem - May - Forums - CNET
If a failure to register clicks is the problem for the trackpad not working on your Mac, you can disable Force Click. How you do this depends on whether or not your MacBook has a detachable battery. If both the keyboard and trackpad are not working, your MacBook is nothing more than a monitor, albeit a very pretty one. You can use a Bluetooth or wireless mouse or keyboard, but if you wanted to do that you could have just bought an iMac instead.
Property List plist files are used to store user preference files related to software. Deleting them will reset your keyboard and trackpad back to factory settings. Before you go ahead and do this, you should backup your Mac using the Time Machine in case anything goes wrong. If problems with the keyboard and trackpad have recently appeared you can restore your Mac to a previous date using the Time Machine.
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The issue could be due to a recent system change and a restore can repair it. This method will require you to have Time Machine set up to backup data to a storage device.
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MacBook keyboard and trackpad not working? Try these troubleshooting tips. Igor Degtiarenko. Writer and blogger at MacPaw, curious just about everything. Use the compressed air to spray the keyboard in a left-to-right motion. Rotate your MacBook onto to its right side and spray the keyboard again, from left-to-right.