Start by shutting down the machine completely. Click "Erase," choose "Mac OS Extended (Journaled)" or "APFS" depending on your original format, and confirm the operation.
Speed Up Your 2015 MacBook Pro After Factory Reset
To truly restore to factory settings, you must first erase the startup disk. For the 2015 MacBook Pro, accessing this environment is straightforward but requires precise timing.
The Erasure Process: Disk Utility vs. Then, press the power button and immediately hold down Command (⌘) and R until the Apple logo or a spinning globe appears.
Optimize Your 2015 MacBook Pro Speed After a Factory Reset
For applications, note that reinstalling them post-reset will be necessary, so ensure you have original installers or passwords readily available to streamline the setup process afterward. This backup is invaluable not only for restoration after a factory reset but also for recovering individual files should something go wrong during the process.
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