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Hello, There are several files for PowerPC-based computers (eg. PowerMac v2.5.2GMc1), but the procedure described in README.markdown for creating a bootable drive is for Intel-based Macs only. Specifically, the command...

Cannot boot into the AHT EFI. It is reading and I end up with a normal boot

guide on restoring AHT is missing

I have a Macbook Pro A1387 (retina mid 2012) running latest OS Catalina 10.15.2 clean install. I used this image: MacBookPro10,1 Mac-C3EC7CD22292981F Which is the same as the one I...

THe description doesnt state properly how we can restore the contents of the coreservices folder. As we dont have writing access to this folder by default. Would be nice if...

My imac's model is 13,2 .Imac27inch 2012. and i got error cant load efi drive .... and cant inistall any macos.dmg from boot ,, and hardware test cant load too...

I've created bootable usb and tried to run it but 15 seconds after it asks for my password my mac starts normally. I tried to copy the .diagnostics however my...

I don’t know if this is an actual issue per se. I have an iMac 11,1 and the only AHT link you have is the third-party bundle hosted on macforum.ro....

iMac AHT Diagnostics Restoration Project Documentation by Mark H. Harris February 2016 This page documents the AHT .diagnostics restoration project following the El Capitan upgrade on my mid 2009 iMac9,1...

I copied the DMG for the Macbook 5,1 Air to a USB stick and blessed with the label matching the name of the disk. It shows up under the option...