Force restarted and was having the same issues.Īnother 20 tries of doing everything above, in no particular order, with and without anything connected (bluetooth, USB C, thumb drive with installer, etc.) the internal hard dive was detected again. For about another 30 minutes, came bake to a frozen screen.

I verified it, ran repair, and choose it as the Startup Disk. The next time I was in disk utility, I could finally see the internal hard drive. Ran Apple Hardware Test (Hold R on startup) – This showed a passing ADP000 reference code.Disk utility also still shows no internal hard drive. Booted from Thumb Drive ( Create a bootable installer for macOS - Apple Support) using the Apple USB C AV Multipart Adapter, but I still had no internal disk showing up to install the OS on in the installation menu.The only drive that is listed is the drive for the Internet Recovery OS install. When I go into Disk Utility to try and repair, my internal drive is not listed at all. Ran Recovery mode (Hold CMD+R on startup) - This got me to the typical 4 option boot up menu when installing OSX.Instead gives a black screen with the wifi selection, which of course sets me up with internet recovery mode. Ran Startup Manager (Hold Option on startup) - Did not give me the typical option to boot from Hard Drive.Ran verbose mode (Hold CMD+V on startup) - Didn't work, question mark folder still flashing.

Ran safe mode (Hold Shift key on startup) - Didn't work, question mark folder still flashing.

Reset NVRAM (Hold CMD+,OPT+P+R) - Seemed to take a little while longer than normal than my 2011 MBP, but was successful in getting the second chime.

I was really scratching my head my google searches led me to finding it was not an uncommon issue on older computers where it was the result of a bad cable from the hard drive to the mother board, but this model's HD is directly soldered to the MB I believe.īased on this apple resource: Startup key combinations for Mac - Apple Support, I tinkered around and briefly got my internal hard drive detected. OS Installs didn't have a disk to install. To summarize my whole story: the internal hard drive couldn't be detected, even in Disk Utility. Tried again and again, couldn't boot and still had the question mark folder. I rebooted and I got a flashing question mark folder.

A software update notification came up and I gave it a go ahead. If they don't then they run a huge risk.Just unpackaged an early 2016 silver Macbook (Model A1534). People who do not want to lose a single file need to run a robust backup scheme. Your disk might have suffered permanent damage. In view of your report I fear for the worst. How can I gain access to the HDD again? As much as possible, I don't want to lose even a single file.

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