efi partition

  1. Enigmactic

    Fallout from Windows 7 Error 0xC0000005

    Hi All [Clover 5151, from memory. Sierra. Z170, i5-6600.] This is a question about my being unable to access my MacOS partition after installing Windows, please. [I tend towards verbose, so I shall tell the story as I understand it, without qualifying everything.] In my 5-ish -year-old...
  2. flexmcmurphy

    Multi booting on one drive - adding macOS deletes the Windows EFI partition

    I start out with a 1TB Sata SSD and the first partition on the drive is a Windows EFI partition then Windows then Manjaro root and Manjaro home... these are dual booting fine with Grub2. I want to use Grub to chain load Opencore so all three OSs can be on the Grub menu and I don't get any kext...
  3. PliSsK

    EFI sys partition error 69766 & sudo fsck_msdos

    My dual boot system was working normally, with Catalina and Win 10 on the same 970 Evo+ NVMe drive (latest firmware) and both Clover and Win Boot Manager in the first EFI partition. When I performed Disk Utility First Aid on all the devices, the main EFI repair failed with the error 69766...
  4. keys4mike96

    High Sierra - Getting Prohibited logo when booting to Mac OSX but able to boot into safe mode...

    Hey guys! I am in a bit of a bind this week. My computer has been running flawlessly, with little to no issues. Unfortunately, I assumed that clover updates were simply just updating the main aspects of the app, not actually removing a key aspect of the EFI for it to boot... This core aspect is...
  5. SimonT

    Can't mount EFI folder of boot drive - 'Device BSD name' seems to be wrong

    For some reason neither EFI Mounter nor Clover Configurator can 'see' the EFI folder on my SSD boot drive. I know it's there because it boots my hackintosh. Clover Config shows 4 partions: Desktop SSD (which has the OS installed); Preboot (no idea why that is there); Recovery; and VM. The...
  6. bigmac1111

    Unable to reinstalling the system with installation USB

    Hi All, I was running the latest High Sierra. Everything were ok until one day I upgrade the Clover Configurator. My computer hung immediately after the clover boot options screen. I tried to fix it without any luck, so I decided to reinstall the OS. I made a new UniBeast installation USB and...
  7. SimonT

    [Solved] Create EFI partition and add whatever needs adding

    I've been having a bit of a nightmare with my system... all sorts of things are wrong. But along the way, trying to fix things, I decided that Clover had become corrupted on my various disks and tried to clear everything from the EFI partitions. In doing so, I seem to have deleted some of them...
  8. musicmic

    HDMI audio works but USB Interface audio does not!

    Hey guys, I recently upgraded from El Capitan to HS 10.13.3. I still have a few things I'm trying to fix especially and Audio Issue. I hope this is the correct place to post because my issue is not with the onboard audio or hdmi even, but my class compliant usb audio interface. My HDMI audio is...
  9. exquirentibus

    Carbon Copy & EFI partition - perfect EFI copy, then failure to restore EFI from copy?

    Using the latest CC and a 10.12.6 install, I cloned my hard drive to a 256GB Sandisk thumb. I said yes to creating the recovery partition. I can boot with the thumb drive and I see that it has an EFI partition that seems identical to my boot hard drive - so I assumed that CC was copying the...
  10. hossamyy

    Merging Windows and Hackintosh EFI partitions

    I'm moving Sierra from HDD to SSD where Windows 10 is installed So i want to merge both EFI partitions and use Clover as the ONLY bootloader. The problem is that i'm not sure what should i do with the BOOT folder containing bootx64.efi on both parts.? Which one should i use?
  11. jyanes83

    Script to Backup EFI volume - EFI Mounter

    For those that are interested i created a simple script that allows you to quickly identify and map your primary drive EFI volume. I am using this in conjunction with Chronosync to schedule regular backups of my EFI volume to another drive in case of primary drive failure. Chronosync lets...
  12. metacollin

    [TOOL] EFI_Mount - UUID based, works even when diskX numbers change.

    Hi, I got fed up with the inconsistent device names for drives/partitions in OS X (meaning, which disks are given which /dev/diskX device nodes are up to the whims of the SATA bus and can change with every reboot) and the absolutely terrible way Clover Configurator handles this fact. Making you...
  13. DeltaUnit38

    Mediakit error when formatting drive

    Hello Basically I have an issue with disk utility. Whenever I want to partition a volume on an another drive, it gives me this mediakit error. I have looked over the internet and other people seem to had this issue as well. However, there method to fix it seems rather risky as you are...
  14. Machinee

    Can't Mount EFI in Yosemite

    Hello, I recently upgraded from Mavericks to Yosemite. (I'm running Clover.) When I try to mount the EFI partition on Mac OS drive I just get an empty folder named "EFI". I've tried mounting it with clover configurator, EFI Mounter-v2 with the same result. Disk Utility could not mount it...
  15. Tomas2D

    Boot from Clover, but cannot boot from EFI partition.

    Hello guys! I have interesting problem, when i install Clover normally to my primary HDD("Macintosh HD") the system boots fine, but when I install Clover to my EFI Partition I will just get a black screen and system won´t boot. Just BLACK SCREEN, nothing more. Does anyone know where...
  16. SDK-123

    EFI Bootloader Issues and Clover Dual Boot

    I am attempting to install a dual boot between Mavericks and Windows 8.1 on a single hard drive. I have the partition table set up as GPT/GUID. As a note, my laptop can hold only one hard drive. Also my laptop has a feature to enable or disable UEFI/Legacy (UEFI) vs Legacy support. (UEFI...
  17. Fleo

    EFI boot partition and the Crucial m500 SSD question (sorry cross post)

    I hope I have posted this to the right forum (My apologies for posting elsewhere here, I wasn't sure where to ask), I have put together a Customac Pro (gigabyte UD5h Mobo, Core I7, etc). I am trying to move my boot loader to the EFI partition of a Crucial m500 SSD (120 G) and I keep getting the...
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