![]() I can't boot using a USB or get in by holding down 'D' on boot. I've tried scripts and terminal commands from various sites and absolutely nothing works. I've tried creating bootable USBs and copying the. Rebooted holding D key and got the very same error message that it wasn't able to find TestSupport.Īpr 6, PM. ![]() Then - per the same guide - I copied the. Unfortunately it didn't work either - just runs a bunch of command lines quickly after booting and then resumes booting into the main drive. Rather than spending all this time complaining here, I accept the fact that my MBP will most likely not be able to run AHT and that is easily fixed by having the Genius Bar run it.Įxcept for having to drive there, it will be quick and done at no charge. MacBook Pro 15", macOS Posted on Apr 6, AM. But obviously something strange is going on. I am able to restart and launch OS X - thus the system is operational. I however was greeted by this error message. In order to figure out if there may be hardware issues I attempted a restart while holding the D key in order to launch Apple Diagnostics. I encountered a recoverable kernel panic on my MBP this morning when waking my system after upgrading to Mojave from ElCapitan just a few days earlier.
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