crwdns2934241:0crwdne2934241:0 Dan

crwdns2934249:0crwdne2934249:0:

Well… Safe Mode uses the firmware driver which uses the Intel chips Iris graphics engine. Which explains why it works and when you run via the OS the AMD (ATI) Radeon MXM graphics board doesn’t.

During the boot-up POST process SMC can fail to complete as it doesn’t get the expected return from the graphics board. Hence the system won’t boot up.

crwdns2915684:0crwdne2915684:0:

open