MTYEAGLESCOUT Posted November 26, 2019 Share Posted November 26, 2019 I am unable to find the EFI update any where my system is not on the latest Bootrom. Since I am trying to trouble shoot to see if that is why it is not taking the 4 ram slots at 4GB dimms for max ram of 16GB. Thanks in advance Link to comment https://www.insanelymac.com/forum/topic/341398-imac-late-2009-boot-efi-update/ Share on other sites More sharing options...
Recommended Posts