On your macbook if your trackpad stopped working all of sudden and keyboard as well then you need to reset PRAM, disconnect all external devices connected to your laptop, reset SMC and other solution explained below.
If both the keyboard and trackpad are not working then you can follow these simple troubleshooting guides to get rid of trackpad and keyboard not working on MacBook.
How to fix MacBook Trackpad and Keyboard Not Working Issue
Follow the below solutions and keyboard and trackpad not working will be fixed successfully.
Solution 1 : Reset PRAM
Resetting (PRAM) Parameter RAM is similar to resetting the SMC in this method helps you fix almost all macbook issues
Step 1: Fully shut down your Macbook and Reboot your Macbook and press and hold Command+Option+P+R before the gray screen appears.
Step 2: Wait until you hear the reboot sound and release the keys and Let the system reboot normally.
Once your macbook restarts go ahead and check whether your macbook trackpad is working or not if not jump to solution 2.
Solution 2 : Force Restart
Step 1: Press and Hold down the Power Button until your Mac turns off.
Step 2: Close the lid of your MacBook.
Step 3: Remove and Disconnect all external devices connected to your macbook like printers, scanners, harddrives, pendrives,USB hubs from your Mac.
Step 4: Now, press the Power Button to turn on your Mac and wait for your mac to restart and check with your trackpad and keyboard on mac it will start working fine.
Solution 3 : Select your Hard Disc and then restart your Mac.
Step 1: Go to the apple menu.
Step 2: Select “System Preferences” under Apple menu.
Step 3: Click “Startup Disc”.
Step 4: Click the lock icon at the bottom-> left corner of the screen and then enter your Administrator credentials.
Step 5: Select your startup disc.
Step 6: Click “ Restart”.
Step 7: Select “Restart” in the pop-up box to confirm.
Step 8: Wait until your Mac restarts.
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Solution 4 :Turn off “Bluetooth“
Step 1: Go to Apple menu.
Step 2: Select “System Preferences” under Apple menu.
Step 3: Click “Bluetooth”.
Step 4: Click “Turn Bluetooth Off”.
Solution 5 : Turn off Force Click and haptic Feedback
Step 1: go to Apple menu.
Step 2: Select “System Preferences under Apple menu.
Step 3: Click “Trackpad”.
Step 4: Select “Point and Click” tab .
Step 5: Unselect the checkbox to next to “Force Click and haptic feedback”.
Solution 6 : Reset SMC
SMC Reset for non- removable battery
Step 1: You need to Shut down your Mac by navigating to Apple menu->shut down->shut down
Step 2: Now, Connect your Mac to the Power Source (Charging).
Step 3: Hold down the Shift+Control +Option+Power Button simultaneously for 10 seconds.
Step 4: After 10 seconds, release the keys.
Step 5: Then turn on your Mac.
SMC reset for removable battery
Step 1: Turn off your Mac.
Step 2: Connect your Mac to the Power source.
Step 3: Remove the battery from your Mac.
Step 4: Hold down the power button for 5 seconds .
Step 5: Then reinsert the battery into your Mac.
Step 6: Now turn on your Mac.
That’s it, by following above methods your issue with MacBook trackpad and keyboard not working on mac will be fixed successfully.