Just know that erasing the startup disk will delete all data and applications on the Mac, so it should be done with caution. That may be necessary when preparing an iMac, MacBook, or MacBook Pro to give away, as it restores a Mac to its original factory settings but also could resolve any potential issues with your Mac's operating system or storage. Perhaps you want to erase your startup disk. With these steps, you should still be able to reset your Mac quickly and efficiently. If the 'Erase All Content and Settings' feature isn't available on your Mac, follow Apple's instructions here to erase your Mac. Your Mac will reboot from the selected startup disk. Click the icon of the disk you want to use, then click Restart. Click the Apple menu > System Preferences. How to tell if your Mac is running macOS Monterey or later Change your Macs startup with System Preferences: Step 1.How to tell if your Mac has the T2 Security Chip.How to tell if your Mac has Apple Silicon.To use the 'Erase All Content and Settings' feature, which factory resets your Mac, you'll need a Mac - doesn't matter if it's an iMac, MacBook, MacBook Pro, or Mac Mini - with Apple Silicon or the Apple T2 Security Chip, and it must be running macOS Monterey or later. On Apple Silicon Macs, follow the same procedure as in Startup Disk Selection. This will ensure that you don't lose information. To boot into Recovery Utility, on Intel Macs hold down the Command R keys on startup until you see the Apple logo. Once you know this information, it's essential to back up all your important data before erasing everything. To get started, you'll need to determine what kind of Mac you own and what it runs. How to reset an iMac, MacBook, or MacBook Proįactory resetting your iMac, MacBook, or MacBook Pro is a simple process if you know what you're doing. Pocket-Lint Recommendation: Nintendo Switch.Pocket-Lint Recommendations: Xbox Console.Pocket-Lint Recommendation: Google Nest.Pocket-Lint Recommendation: Amazon Echo Devices.Pocket-Lint Recommendations: Fire TV Stick.

Clearing startup disk on macbook pro