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OpenCore EFI for Lenovo Y50-70 (FHD-1080p and UHD 4K)<br>Support for Big Sur, Monterey, Ventura and Sonoma.

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Updated to OpenCore 0.9.5

Added FULL support for Sonoma

Other EFIs:

  1. Ventura
  2. Monterey
  3. Big Sur

For installation, use PRE-EFI.

After installation, use POST-EFI.

Before using any EFI, make a copy of your EFI and read Notes section carefully.

Specs:

For UHD:

For Dual Boot:

Note: After resetting NVRAM, you need to do the steps from 4 to 6.

  1. Make sure that Microsoft is in the same folder as BOOT and OC

  2. Boot to Windows from BOOT MENU

  3. Download EasyUEFI

  4. Open EasyUEFI and click Manage EFI Boot Options

  5. Click the Create a new entry icon (second icon from the center column)

  6. Do the following:

    1. Select the Type: Linux or other OS and write as description: OpenCore
    2. Select EFI as target partition
    3. Click browse and locate the OpenCore.efi file and click OK
    4. Click OK again to add the entry
    5. Once the entry is added, click on OpenCore and start clicking the arrow up button (first button from the center column) until OpenCore appears on the top of the table.
  7. After doing this restart your laptop and you will see opencore booting as priority option.

  8. Boot to Big Sur

  9. Download OpenCore Configurator (OCC)

  10. Open your Config.plist with OCC

  11. Go to Misc and click Entries tab

  12. Click + button on the right bottom. A new entry will be created and you will see a browse button

  13. Click the browse button and for windows users, go to your EFI folder and locate bootmgfw.efi (\EFI\Microsoft\Boot\bootmgfw.efi) and click open

  14. Change the entry name from bootmgfw to Windows<br>

What works:

Setup SMBIOS:

  1. Download GenSMBIOS
  2. Do the following:
cd GenSMBIOS
chmod +x GenSMBIOS.command
./GenSMBIOS.command
  1. Install MacSerial
  2. Generate SMBIOS
  3. Type MacBookPro11,4 (You can use anything from 11,1 to 11,4)
  4. You will get your SMBIOS: Type, Serial, Board Serial and SmUUID.
  5. Edit your Config.plist either with OCC or Xcode or TextEdit: <br> i. Type to Generic -> SystemProductName <br> ii. Serial to Generic -> SystemSerialNumber <br> iii. Board Serial to Generic -> MLB <br> iv. SmUUID to Generic -> SystemUUID <br>

Notes:

Thanks

@akavkl - Integration of HoRNDIS and FileVault #28<br> @dxkrs - Tilde key fix #41<br>