Question: iMac will not start up
iMac won't start up, I see the attached panic message - is it clear enough for anyone to offer a diagnosis?
iMac (27-inch, Late 2013) / OS X 10.11.1 / 3.5 GHz Intel Core i7 / 32 GB 1600 MHz DDR3 / NVIDIA GeForce GTX 775M 2048 MB / 3.12 TB
Fusion Drive (using 1.6tb) / s/n DGKLN1SLF8JC
iMac (27-inch Mid 2011), OS X Mountain Lion (10.8.2), 3.4GHz, 512GB SSD, 2TB SATA, 32gb