Install Mac OS Big Sur on $50 Dell Optiplex 7010
178#Dell #Optiplex #MacOS
Full steps can be found at https://i12bretro.github.io/tutorials/0607.html
Things You Will Need
- A USB flash drive, at least 16 GB https://amzn.to/3wkR5ju | https://amzn.to/3qkrJ1p | https://amzn.to/3Nhu9b9
- At least 15 GB of free space to build the installation files
Preparation
01. Install 7-zip if it is not already installed https://www.7-zip.org/download.html
02. Download Python https://www.python.org/downloads/
03. Run the downloaded Python installer, making sure to check the option to add Python to the path
04. Download OpenCore version 0.7.0 https://github.com/acidanthera/OpenCorePkg/releases/tag/0.7.0
05. Extract the download OpenCore .zip file
06. Navigate into the extracted OpenCore /Utilities/macrecovery ≫ Right click in the white space ≫ Open PowerShell window here...
07. Run the following command in PowerShell
python .\macrecovery.py -b Mac-42FD25EABCABB274 -m 00000000000000000 download
08. Wait for the download to complete
Creating USB Installation Drive
01. Format the USB flash drive to FAT32
NOTE: This will delete all files on the drive. Make sure to backup any important files before continuing
a. Right Click Start ≫ File Explorer
b. Right Click the USB flash drive ≫ Format...
c. Select FAT32 from the File System dropdown
d. Name the drive EFI
e. Make sure Quick Format is checked
f. Click Start
08. Navigate to the root of the formatted USB flash drive
09. Create a folder named com.apple.recovery.boot
10. Navigate back to the extracted OpenCore /Utilities/macrecovery and copy all .dmg and .chunklist files inside the com.apple.recovery.boot directory on the USB flash drive
11. Download the Optiplex 7010 OpenCore configuration files https://github.com/dps910/Dell-Optiplex-7010-Hackintosh-OpenCore
12. Extract the downloaded .zip file
13. Copy the OC directory from the extracted download to the extracted OpenCore/X64/EFI directory, choosing to skip existing files
14. Copy the EFI directory from the extracted download root of the USB flash drive
15. Safely remove the flash drive and connect it to the Optiplex 7010
Installing Mac OS
01. Start the Optiplex 7010 and start pressing F2 on the keyboard to enter the BIOS setup
02. Expand General ≫ Boot Sequence
03. Change the Boot Options from Legacy to UEFI ≫ Move the USB flash drive in the list at the top right of the screen to the top of the list using the arrow buttons ≫ Click Apply at the bottom of the screen ≫ Click Exit to reboot
04. If prompted to select a boot device, select the the USB flash drive
05. At the OpenCore menu, select EFI (.dmg) ≫ Press Enter
06. After a long initialization sequence the MAC OS Recovery Assistant should start
07. Select Disk Utility
08. Select the target hard disk to install Mac OS to ≫ Click Erase
09. Name the drive MacOS ≫ Set the Format to APFS ≫ Click Erase
10. Click Done
a. If you'd like to create partitions, select the MacOS drive ≫ Click Partition
b. Change the size of the MacOS partition as needed
c. Click Apply
d. Click Partition to confirm
e. Click Done once the partitioning is completed
16. Close Disk Utility
17. Click Reinstall macOS Big Sur
18. Click Continue ≫ Click Agree ≫ Click Agree again
19. Select the MacOS disk ≫ Click Install
20. Read Gone with the Wind cover to cover while Mac OS 11 installs files, the PC will reboot several times
21. Press Enter at the OpenCore boot screen after each reboot to continue the MacOS installation
22. Select your Country ≫ Click Continue
23. Confirm/add your language and keyboard layout ≫ Click Continue
24. Click Not Now on the Accessibility screen
25. Click Continue on the Data & Privacy screen
26. Select Not Now on the Migration Assistant screen
27. Select Set Up Later and then Skip on the Apple ID screen
28. Click Agree ≫ Agree again
29. Enter a full name, user name, password ≫ Click Continue
30. Click Customize Settings
31. Click Continue ≫ Select Use or Don't Use for Location Services
32. Pick a timezone ≫ Click Continue
33. Choose whether to share analytics with Apple ≫ Click Continue
34. Click Set Up Later on the Screen Time screen
35. Uncheck the Enable Ask Siri box ≫ Click Continue
36. Pick a theme ≫ Click Continue
37. Welcome to MacOS 11 Big Sur
Configuring Booting Without USB Drive
01. Double click the EFI USB flash drive on the desktop
02. Copy the EFI folder off the USB and onto the desktop for use later
03. Eject the EFI USB flash drive and remove it from the device
04. Start LaunchPad from the dock
....Full steps can be found on GitHub [link at the top]
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