Install new mac os on new hard drive serial number#
To verify eligibility to install macOS, your Mac serial number is sent to Apple, and you might be asked for your Apple ID. If you don't see it, click Show All Disks.
Select Disk Utility from the utilities window of macOS Recovery, then click Continue.Again, turn on your Mac and hold down Command-R. Now that OS X has been installed on your new hard drive, it’s time to restore everything from Time Machine. If you need to erase your startup disk, follow these steps. Install the version of OS X that your Mac was using when you made your Time Machine backup. On a rare occasion your Mac may have a virus or a piece of Malware.Įrasing your startup disk permanently deletes all of the data stored on it.You need to give the Mac to another colleague and it needs to be clean from old data.You need to give the Mac back to HardSoft.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.
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.ĭecide whether to erase (format) your startup disk before installing macOS. This combination requires macOS Sierra or later. Install the macOS that came with your Mac, or the version closest to it that is still available.
Install new mac os on new hard drive upgrade#
Upgrade to the latest macOS that is compatible with your Mac. Install the latest macOS that was installed on your Mac, without upgrading to a later version. Release when you see the Apple logo or a spinning globe. Hold down one of the following combinations immediately after pressing the power button to turn on your Mac. The Recovery installs different versions of macOS depending on the key combination you press while starting up.