crwdns2893792:0crwdne2893792:0 Craighton Chin ,
crwdns2893800:0crwdne2893800:0:
I have a 2007 imac. I installed an external SSD hard drive to the firewire port. The new el capitan OS on the external hard drive and the imac boots up from the external drive. Works well. It ignores the internal disc hard drive and there is no problem with the fan or thermal sensore.
crwdns2892198:0crwdne2892198:0:
open