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How to clear an imac hard drive?
How to Wipe a Mac With an M1 Chip
- Turn on your Mac and continue to press and hold the power button until the startup options window comes up.
- When the Utilities window appears, select Disk Utility.
- In the sidebar, choose Macintosh HD.
- Click the “Erase” button, then select a file system format and enter a name for it.
How do I delete all data from my imac?
Shut down your Mac, then turn it on and immediately press and hold these four keys together: Option, Command, P, and R. Release the keys after about 20 seconds. This clears user settings from memory and restores certain security features that might have been altered.
How do you wipe a hard drive on a Mac?
Click on the “Format: ” drop-down menu. Select a format. If you plan to reinstall OS X, select: Mac OS X Extended (Journaled) . Click on Erase. It’s in the lower-right corner of the dialog box. The wipe process will begin. The time to erase your disk will vary based on disk size and the amount of data that was stored on your hard drive.
How can I wipe my MacBook Air Clean?
1. Restart your Mac. 2. Press Command Key + R as it restarts. 3. Run Disk Utility. 4. Select a drive. 5. Click Erase. 6. Name the drive and select a format. 7. Click Erase.
How do I erase everything from my MacBook Pro?
Wiping your Mac will erase everything, including your operating system, so keeping a backup on an external hard drive or DVD is a good idea. Open the Apple menu. It’s the black apple icon in the upper-left corner of the screen. Click on Restart….
Do you need to secure erase a MacBook Air?
In a tech note posted to Apple’s own online knowledgebase, Apple explains that you don’t need to securely erase your Mac’s SSD: With an SSD drive, Secure Erase and Erasing Free Space are not available in Disk Utility. These options are not needed for an SSD drive because a standard erase makes it difficult to recover data from an SSD.