Apple iMac 21.5, Core i5, Mid-2014 Bios bin Model: iMAC A1418 Mid 2014, MF883PLA/EOF Bios bin EMC: 2805 MB: 820-4668-A SN: C02P1088FY0T
can you remove efi lock on 820-00431-a imac A1418 also an you help me to change serial number with that D25S40NVGG7F i unlock and change serial try and tell me
Hello I have problem with bios. When remove RTC battery 1st time system start. Next time when I press power button no any rection. I find working dump and write bios. System start but I can't install new OS from Apple website or USB flash. I attach old bios dump and working dump please help me for resolve this problem. Motherboard PN: 820-00430-A imac 21.5 end 2015 year A1418