![]() From the sidebar, find and go to Installations under Software.In the Overview tab, click System Report.Select the Apple icon from Menu Bar and click About This Mac.Check which apps have been installed or updated recently This may happen if the latest version is unstable, so you’ll have to remove the app to bring back the keyboards’ functionality. While not often, a recently installed or updated app could be causing the glitch. Also, no other external device should be connected to the Mac while you perform the process. ![]() Note: Before you reset the PRAM and SMC, make sure to take proper backup. If you’re not sure how to do so, check out our detailed step-by-step guide for help and check out why it’s important to reset SMC on your Mac. Remember to reset both as just resetting SMC alone won’t work. PRAM (Parameter Random Access Memory) stores core values and SMC (System Management Controller) takes care of your CPU fan and lighting. To update your macOS, head over to System Preferences, and navigate to the Software Update section. But it works like a charm, so go ahead and give it a try. Whether the Macbook’s keyboard or trackpad isn’t working, updating macOS is amongst the oldest and most common troubleshooting tips. So, employ this method if you’re sure about your cleaning skills or get it done by a professional. Note: This is a slightly risky procedure as excess airflow can further damage the keyboard. Repeat the process for a more thorough cleaning, but remember to use compressed air along with a straw to limit the airflow.
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