
Select Macintosh HD and select the Erase button. From here, select Disk Utility from the macOS Recovery menu. In which case, erasing all content and settings will wipe the problem away. Shut down your Mac and then turn it back on and hold Option, Command, P, and R. However, sometimes a particularly stubborn piece of malware can prove impossible to remove. Security tools built into macOS have grown quite effective at safeguarding your system. You can toggle Wi-Fi on and off using the slider in the right hand corner. Related: Signs It’s Time to Replace Your Mac 1 day ago &0183 &32 Select Apple menu, System Settings, then click Wi-Fi in the left hand sidebar. Click on the Mac you wish to wipe or lock and then, once.

Erasing all content and settings in macOS securely wipes the device but leaves the operating system intact, so the Mac is ready for the new owner to set up once you’ve handed it over. There are two options for iCloud users who fear their Mac may be stolen: lock and wipe. Failure to do so could mean the new owner can gain access to your private data and personal information. If you’re giving your Mac to someone else, erasing all the content and settings beforehand is highly recommended.
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If asked, select a user you know the password for, then enter their administrator password.Start up from macOS Recovery: Turn on your Mac, then immediately press and hold these two keys until you see an Apple logo or other image: Command (⌘) and R.
