MacBook

MacBook does not recognize fingerprints. There is a solution

MacBook does not recognize fingerprints. There is a solution
Even though the MacBook installs the second generation Touch ID sensor, which has been run on the iPhone for a long time, the module may fail.

These are not isolated cases of defective or non-standard electronics behavior; a problem that can occur both during prolonged use and on the second day after buying a laptop.

The next time you try to unlock the laptop using a fingerprint or make a purchase confirmation on the network, the system suggests switching to settings, and there the user is waiting strange mistake a:

MacBook does not recognize fingerprints. There is a solution
macOS reports an exceeded limit of saved fingerprints for Touch ID and recommends deleting a few for correct operation.

As with iPhone, up to five prints can be saved on MacBook fingers for different computer users. Not five for each, but a total of not more than five.

Data is stored in the same protected area of ​​the Secure Enclave processor, and password protection is required for initial access (after a reboot or long idle time).

This error is encountered by users even with one stored fingerprint. The problem is clearly not the Secure Enclave memory full.

On which MacBooks such an error occurs

Any MacBook that is equipped with a Touch ID fingerprint scanner may turn off. At risk are such models:

▪️ MacBook Air 2019-2020;
▪️ MacBook Pro 2016-2019 (except for the base 13-inch model 2016-2017 without Touch Bar)

The age of the model and the lifetime are not affected by the error, as is the version of macOS that runs this or that MacBook.

Why this happens

MacBook does not recognize fingerprints. There is a solution
Experts believe that the cause of the problem is in our favorite T1 and T2 chips, which are responsible for recording and protecting data in the Secure Enclave section.

The operating system may incorrectly recognize the data stored in the section, it may be erroneous to assume that the storage is full or not to find melons in it at all.

This is a result of a software failure or the operation of third-party software that tried to access Secure Enclave for making changes.

Worst of all, the error migrates to TimeMachine backup and appears after re even on a clean system.

In other words, reinstalling macOS with further recovery from the backup will not help.

What to do

MacBook does not recognize fingerprints. There is a solution
Fortunately, there is a way to delete all fingerprints stored in Secure Enclave.

You need to restart the Mac in recovery mode and use the terminal to enter the command.

1. Restart the computer and hold down the Command + R key combination start time.

2. After booting in recovery mode, launch the Terminal from the menu bar (Utilities – Terminal).

3. Enter the following the following command:

xartutil –erase-all

4. We confirm the action by entering the command “yes”.

5. Restart the MacBook.

Now it remains to re-configure Touch ID in the system settings.

In rare cases, the problem is not solved in this way. This is due to damage to the Secure Enclave area. In this case, only representatives of an authorized service center can help.

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