Mac OS X installation services are sometimes required by users when a lot of unnecessary settings have accumulated or software that is no longer needed or even malicious. Viruses are now being written not only for Windows. When the operating system is used for a long time, it starts to work slowly.

Sometimes there are unsuccessful updates and a failure occurs as a result of the computer cannot boot.

Some laptops do not allow installing a fresh version of macOS X from the Internet and require creating a bootable USB flash drive. A USB flash drive can only be created in a working version of macOS. As evil, the system does not load or does not contain functionality that allows you to reinstall it from the Internet. Biztech performs work on reinstalling macOS X with a visit to the customer’s home and office.

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