I've trolled this forum and many others for potential solutions, all unsuccessful. My machine is a 15" 2011 MBP (Core i7, 16 GB RAM) running El Capitan. I was in the middle of a session when my computer spontaneously went to a gray screen. I initially suspected hardware problem. After rebooting...
Hi,
I have an early-2011 MBP 15" and had the HD changed to SSD(Samsung V-NAND SSD 850 EVO) with Sierra installed. While booting, I noticed a colourful horizontal stripe appear across the screen. It disappears after awhile and boots ok. I'm able to log normally and everything seems ok.
The...