![]() ![]() ![]() I've tried resetting the NVRAM on boot, which succeeded because it turned the boot chime back on, but even then, running internet recovery again just causes it to hang on the white screen. But then I run into the original "white screen" again. Afterwards, it rebooted, showing me the Apple Logo. I started internet recovery, which loaded, showing me the global and everything. I removed the SSD from the MacBook, pulled a full disk image from my desktop just in case (which went without any read errors) and used hdparm to do an SATA enhanced erase, leaving me with a "fresh" disk. I also discovered that the drive in question was an OCZ Vertex3 256 GB, which I assume is not standard? The previous owner could have upgraded it.Īt this point, I decided to wipe the drive and try with a fresh installation. It seemed strange that the recovery was recoognized as HFS+, as I expected, but the "main" partition was not mountable and did not show a filesystem type. Using parted from the aforementioned stick, I was able to see three partitions, one EFI Boot, one large main partition and one labeled Recovery. I have no idea whether or not these usually work out-of-the-box. ![]() A bit of boot splash would show up, but the gray background would at some point just hang.īooting recovery mode did not work, as far as I remember.īoot from a Ubuntu 14.04.2 USB stick works, provided one attaches "nofb nomodeset" to the kernel commandline (though I put that one down to insufficient driver support). The MacBook Pro would hang with a "white screen" during the boot process. I am somewhat new to caring for Macs, but one has been left in my care and I have not been able to restore it to working order yet.
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