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Question: How to install macOS High Sierra after a clean, without a bootable flash drive.

Hi,

I clean installed my mac, but did not make a bootable flash drive. When selecting ‘install macOS’, I get the message thzt this is not possible because there is no server. How can I get over this problem?

Thank you!

MacBook Pro

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Answer:
Answer:

If your model is from Late 2011 or more recently, the try the following. You will need an Internet connection, preferably, Ethernet.


Internet/Network Recovery of El Capitan or Later on a Clean Disk


  1. Restart the computer. Immediately after the chime hold down the (Command-Option-R) keys until a globe appears.
  2. The Utility Menu will appear in from 5-20 minutes. Be patient.
  3. Select Disk Utility and click on the Continue button.
  4. When Disk Utility loads select the drive (usually, the out-dented entry) from the side list.
  5. Click on the Erase tab in Disk Utility's main window. A panel will drop down.
  6. Set the partition scheme to GUID.
  7. Set the Format type to APFS (SSDs only) or Mac OS Extended (Journaled.)
  8. Click on the Apply button, then click on the Done button when it activates.
  9. Quit Disk Utility and return to the Utility Menu.
  10. Select Reinstall OS X and click on the Continue button.


Note:

1. To install the version of OS X that was currently installed use Command-Option-R.

2. To install the original factory version when the computer was new use Command-Option-Shift-R.

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Question marked as Apple Recommended

Mar 11, 2018 1:51 PM in response to katjafromantwerpen In response to katjafromantwerpen

If your model is from Late 2011 or more recently, the try the following. You will need an Internet connection, preferably, Ethernet.


Internet/Network Recovery of El Capitan or Later on a Clean Disk


  1. Restart the computer. Immediately after the chime hold down the (Command-Option-R) keys until a globe appears.
  2. The Utility Menu will appear in from 5-20 minutes. Be patient.
  3. Select Disk Utility and click on the Continue button.
  4. When Disk Utility loads select the drive (usually, the out-dented entry) from the side list.
  5. Click on the Erase tab in Disk Utility's main window. A panel will drop down.
  6. Set the partition scheme to GUID.
  7. Set the Format type to APFS (SSDs only) or Mac OS Extended (Journaled.)
  8. Click on the Apply button, then click on the Done button when it activates.
  9. Quit Disk Utility and return to the Utility Menu.
  10. Select Reinstall OS X and click on the Continue button.


Note:

1. To install the version of OS X that was currently installed use Command-Option-R.

2. To install the original factory version when the computer was new use Command-Option-Shift-R.

Mar 11, 2018 1:51 PM

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User profile for user: katjafromantwerpen

Question: How to install macOS High Sierra after a clean, without a bootable flash drive.