OpenCore 0.7.4

• OpenCore and Kexts updated
• config.plist updated
• Readme Updated

Thanks to @hojokaren for providing us with an M USBMap!

OpenCore 0.7.3

🎉 A reformatted guide is in the making! A section on HiDPI and UEFI Secure Boot has been made! Check it out here.

• OpenCore and Kexts updated
• config.plist updated
• Readme Updated

❗ Calling all OptiPlex 3020 M owners! We need someone to create a USB Map. If you are interested, please ask me, @Xtendera, in discussions.

OpenCore 0.7.2

• OpenCore and Kexts updated
• config.plist updated
• Readme Updated

We have a new USBMap for 3020 MT computers! Check the readme for instructions on using it.

OpenCore 0.7.1

CHANGELOG:

• Updated files to OC 0.7.1
• Updated config.plist

A reformatted guide is in the making! Check it out here. Feedback is very appreciated! Make an issue with the new-guide-feedback label if you want to give any suggestions.

OpenCore 0.7.0

CHANGELOG:

• Updated all files to OC 0.7.0
• Added Flavours and updated config.plist

New USB Map + Update to OC 0.6.9

In this release, the following happened:

• New custom build USB Map. Special thanks to @Kinetik
• Graphics and Audio tweaks
• Fixed sleep issues that was related to the USB mapping.
• New manually built SSDTs. Special thanks to @Kinetik
• Updated to OpenCore 0.6.9
• Updated kexts.
• Updated guide, with trouble shooting for the black screen issue with DP -> HDMI cable.

Graphics and Audio enhancements

This release fixes some graphics and audio related issues, and improve the general usability of the computer.

• Graphics enhancements
  • Now 1080p@144hz, and 4K@60hz works. Head to System Preferences to change your display settings.
  • Applied some new Whatevergreen pactches via boot arguments.
  • Removed some old, generally not recommended Whatevergreen patches.

Special thanks to u/valentinivan for his graphics patch recommendations.

• Audio enhancements
  • Removed audio card PCIe entry, using boot argument instead.
  • Switched to AppleALC layout-id 17.
  • Now both the rear and front audio jacks are working, including the internal speaker.
  • Fixed a master volume issue, where the slider was sometimes misaligned from the real volume setting.

Special thanks to u/valentinivan for letting me know about the master volume issue, and it's fix.

Updated to OpenCore 0.6.7

• Guide updated
• Bootloader updated
• Kexts updated

Updated to OpenCore 0.6.4

• Bootloader update
• Kext updates

NVRAM variable updates (3020M)

• Added a new section to the guide with the correct NVRAM variable offets, in respect to the 3020M.
• Fixed a missing NVRAM variable for the 3020 SFF and MT.