Recently, I got an issue with my OpenCore EFI partition on my Hackintosh system. I messed up the config.plist and it makes my macOS Catalina Hackintosh won’t boot properly. Fortunately, I have another hard drive with Windows 10 installed on it. So, I can edit my config.plist in the EFI partition and now it works again.
Update!!
How to Mount EFI Partition on Windows 10 in simpler way using DiskGenius
By default, you cannot see the macOS EFI partition from Windows Explorer, even if your macOS hard drive is connected to your PC. But, there is an easy way to mount the macOS EFI partition under Windows 10. I will show you how to do this in a moment.
Mount the EFI partition on Windows 10
Open Windows 10 command prompt as administrator. And then, run “diskpart” command.
diskpart
Output:
Next, list the disk
list disk
Output
As you can see, I have 5 hard drives connected to my PC. In this case, my macOS/Hackintosh disk is Disk 3. Yours might be different. Now I will select disk 3
select disk 3
Output
As you can see, my Disk 3 is now the selected disk. Next, we will show the partitions in Disk 3.
list partition
As you can see, there are 4 partitions in Disk 3. In my case, the EFI partition is Partition 1. It is easy to know which one is the EFI partition. The EFI partition volume size is exactly 200 MB.
select partition 1
Now let’s mount the Partition 1 and assign drive letter to it.
assign leter=O
Now, open Windows Explorer and you should see your EFI partition is mounted there.
Common Issue
In some cases, Windows 10 users cannot open the mounted EFI partition and got the error:
You don’t currently have permission to access this folder.
In case you get this error, I would recommend you to download Explorer ++ program and then run it as administrator. It can open the EFI folder perfectly without issue.
I just wanted to pop in real quick to say you SAVED MY ASS with this guide. Tried updating to OC 0.6.0, and updating my kexts. Saw a weird issue. No biggie, will just use my backup Hackintosh drive which worked a month ago, aaaaaaaand nothing. Thirty butthole clenchingly terrifying minutes later, after copying my 0.5.9 EFI from iCloud on my old MacBook Pro onto a flash drive, then loading that in Windows and copying the working EFI from the drive onto the broken Hackintosh partition, I’m back in business. THANK YOU! Send me your Venmo or other payment app info – would like to send some money some way as a token of my appreciation!