Click Delete APFS Volume from the menu bar or click the Remove button in the disk utility bar.To clean up Mac, and create more disk space, this best free Mac cleaning software is an ideal choice. Click Edit in the Mac screen's upper left corner in the menu bar. Select the data disk under the startup disk. Find your Startup disk (it should be named 'Machintosh HD' unless you renamed it) in the sidebar.The macOS installer says that it can't install on your computer or volume. You're trying to resolve an issue that Disk Utility cannot repair. You should erase your startup disk in the following circumstances. This combination requires macOS Sierra or later.When you see the macOS Utilities window, continue to the next section to determine whether to erase your machines hard drive or begin installing macOS.Decide whether to erase (format) your startup disk before installing macOS. A Mac operating system installer.You can also use an external drive to do a fresh installation of Mountain Lion on a hard drive that doesnt have the Mac OS X Recovery partition installed.Install the latest macOS that was installed on your Mac, without upgrading to a later version.Upgrade to the latest macOS that is compatible with your Mac.Install the macOS that came with your Mac, or the version closest to it that is still available.Select your device or volume in the sidebar of Disk Utility. Select Disk Utility from the utilities window of macOS Recovery, then click Continue. On a rare occasion your Mac may have a virus or a piece of Malware.Erasing your startup disk permanently deletes all of the data stored on it.If you need to erase your startup disk, follow these steps. You need to give the Mac to another colleague and it needs to be clean from old data.
Disk Fresh Serial Number IsIf you don't see it, click Show All Disks.To verify eligibility to install macOS, your Mac serial number is sent to Apple, and you might be asked for your Apple ID. You'll be asked to select your disk. Click Continue, then follow the onscreen instructions. Choose Reinstall macOS (or Reinstall OS X) from the utilities window. You're now ready to install macOS.Follow these steps after starting up into the recovery agent: When done, quit Disk Utility to return to the utilities window. Script mt boldIf you're keeping your Mac, complete the setup assistant with your own information.If you need anymore help in regards to this please contact us here.
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