Touchpad failure is usually caused by system or setup problems. You can try the following methods to solve it: 1. Check whether the touchpad settings are turned off and confirm whether the external device is affected; 2. Restart the device or reset NVRAM/PRAM to repair temporary failures; 3. Troubleshoot third-party software interference, disable or test new account confirmation problems; 4. Clean the trackpad area and check the hardware status, and send repairs to the test if necessary. In most cases, normal operation can be restored through the above steps.
The MacBook's trackpad suddenly fails, which is really a headache. Especially when you are used to gestures and precise pointers, your work efficiency will be greatly reduced once it fails. This situation is usually not a broken hardware, but most of the time it is a system or setup problem. The following methods can help you quickly troubleshoot and solve it.

1. Check whether the trackpad settings are turned off by mistake
Sometimes, accidentally pressing a shortcut key or operating the system settings by mistake will cause the trackpad to "look" not working.
You can go to System Settings > Mouse and Trackpad to see if it is turned off. For example, if the option "Enable Trackpad" is not checked, it will naturally not be moved.

Also, if you have an external mouse, sometimes the system will automatically lower the trackpad's priority, but it won't be turned off completely. Unplug the external device to see if there are any changes, or try plugging and unplugging again.
2. Restart the MacBook or reset NVRAM/PRAM
Sometimes, temporary system glitches can cause the trackpad to fail, and the easiest way to do this is to restart the machine.

If the restart is invalid, you can try resetting NVRAM (the new version of the M chip Mac is called PRAM):
- For MacBook of M series chips: Press and hold the power button directly when powering on until the boot option interface appears, then click in to select the boot disk
- For the MacBook of Intel chip: Press the Option Command PR key immediately during restart and hold it for about 20 seconds before releasing
This step can solve many occasional hardware recognition problems, including trackpad, sound, Wi-Fi, etc.
3. Check for any interference from third-party software
Some third-party software (such as BetterTouchTool, Karabiner-Elements, etc.) will take over the gesture control of the touchpad. Sometimes, if the update is not timely or conflicts, the touchpad will not respond.
You can temporarily disable these programs in "Applications > Startup Items", or go to their settings to see if any switches about the trackpad have been turned off incorrectly.
If you are really unsure, you can create a new user account and log in to test whether the trackpad is normal. If the new account is fine, it can basically be confirmed that it is a conflict between some software under the original account.
4. Clean the trackpad area or check the hardware status
Although it is relatively rare, sometimes dust, oil stains or water vapor on the surface of the touch panel can also affect the sensitivity. You can gently wipe the surface with a clean soft cloth to ensure no liquid remains.
If your MacBook is an old model, it may be due to loose cables or poor motherboard contact. At this time, it is recommended to go to the Apple Store or authorized repair site for a test, especially if you have heard a sound of impact inside or have fallen into the machine.
Another way is to check whether the trackpad driver is loading normally through terminal commands :
ioreg -l | grep -i trackpad
If there is no output, it means that there may be a problem with the driver and you need to further repair the system files or reinstall macOS.
Basically, these common reasons and ways to deal with them. Don't panic when the trackpad fails. Start with settings and restarting, and most of the situations can be solved. If you really can't do it, consider the hardware issues again. Just don't disassemble the machine by yourself.
The above is the detailed content of MacBook trackpad not working. For more information, please follow other related articles on the PHP Chinese website!

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