![]() ![]() I will say it is not as definitive as Apple's own AST2 (Apple Service Toolkit) back bench diagnostic. So what is your issue beyond the Diagnostic.? You do not say. I have already filed a bug report ("feedback") with Apple, but I was wondering if anyone else has the same issue and has possibly found a solution or a workaround. The spinning globe continues to spin and nothing else happens. It sounds like time to visit an Apple Store or Authorized Apple Service Center and let them assess the Mac and advise you. Perhaps there are some unacceptable hardware components in your system. My Internet connection is solid and very fast (around 450 Mbps), but waiting for half an hour does not give any result. Perhaps you didn’t remove all external connections as required. When I follow the usual procedure (see link in previous paragraph), the spinning globe appears with a message that my system is downloading Internet Recovery, which is already a sign something is not going the way it should. Provides full-text scholarly, reference and professional eBooks. Apple Diagnostics also suggests solutions and helps you contact Apple Support for assistance. If you think your Mac might have a hardware issue, you can use Apple Diagnostics to help determine which hardware component might be at fault. ![]() Contains abstracts and citations to 400,000+ research items, mostly from 1960 to the present. Apple Diagnostics, formerly known as Apple Hardware Test, can check your Mac for hardware issues. Covers research journals and books on Criminal Justice. Which means they either got the board to talk to the ssd somehow, or were booting via external USB/firewire.Since upgrading to macOS Ventura (my iMac is currently running 13.1 but the issue was there already on 13.0.1) I'm unable to use Apple Diagnostics ( Use Apple Diagnostics to test your Mac - Apple Support). Index, abstracts, and full text for many scholarly publications covering all academic areas of study. AST 2 is (perhaps obviously) not the first diagnostic app that Apple has madeAST 2’s precursor was a totally different tool, and it’s still used to fix older devices, mostly from 2013 and earlier. To what i been told, Apple Diagnostics or Apple Hardware Test (all depends which model of Mac you have) can be access as long you did not erase your HDD/SDD. ![]() The person who purchased it was able to get it to work! I do not know the details, so this comes with a major disclaimer that I don't know for certain - but since they were repairing stuff and reselling it, I imagine they weren't just network booting (which worked fine) but intending it for resale. jrmyeh wrote: 2) Did a clean-install upgrade to Yosemite shortly after the OS came out (off of a USB drive). I am not nearly that technical or well resourced, and in my particular country it is cheaper to replace than to repair. Some people managed to fix this by reflashing the firmware via some developer/engineering interface. Apple Diagnostics doesn't run on my Macbook Air (Late 2010) DEC500. Replacing with the aftermarket SSD didn't help. Perhaps you didn’t remove all external connections as required. This could be a bus/controller error or an SSD error - in my case it was both. Hi, this is what I can tell you (after experimenting, visiting genius bar, etc.): VDH002 just indicates the state of the firmware not being able to talk to the SSD.
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