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Dear Friends I want to create a bootable usb stick with AHT for my Mac Mini 6,1 . The problem is that the .DMG is bundle and the standard terminal...

Downloaded from the right link, added CoreServices/.dianostics to /Library, restarted, pressed D, the screen stays grey longer than usual, but eventually it just boots normally. Is there something missing?

read.me file corrupted on macos High Sierra... and nothing in folders (no files) ![Screen Shot 2020-04-21 at 5 19 29 AM](https://user-images.githubusercontent.com/53255862/79854874-c19bda00-838f-11ea-8a3d-01de7bcdac03.png)

This particular MacMini 4,1 can boot with Opt-D from a AHT dowloaded via internet recovery, but after selecting the language it comes up with a panel that it is not...

This is a known issue with the Macbook pro 9,1. Generally when loading, you'll see: ``` Error: 0x8000000000000003, Cannot Load 'EFI/Drivers/TestSupport.efi' Status: 0x00000003 ``` This has nothing to do with...

I own this one : https://everymac.com/systems/apple/imac/specs/imac_400_indigo.html Which Image would I use for this? Thanks

I am not able to run the diagnostics by the usual way of holding down D while booting. I want to make a bootable USB for AHT for which I...

Hi. I have a Mid-2012 13'' MacBook Pro [MacBookPro9,2 Mac-6F01561E16C75D06], and I can no longer boot into an external USB drive with Apple Hardware Test [made with the appropriate file...

I tried it numerous times and it fails with the following message: Error: x8000000000000003, Cannot Load EFI/Orivers/TestSupport.eft' Status: 0x00000003 APFSStart:1608: Mounting with apfs_eft_osx-1934.141.2 efi_fusion_pairing:691: Container 00791bc5- 337-4ele-86b0-54674ff9ef71 efi_fusion_pairing:696: fusion uuid:...