Where can I download Apple Hardware test?
I would like to know where I can download the apple hardware test software because wen I try and boot into it I get error code -3403D
iMac 27″, macOS 10.13
5 replies
Which model of iMac?
I think Keith meant to say which Model Year of iMac do you own.
mid-2010 and mid 2011. A1312. 12.2 and 11.3
You are having this issue on *two* computers? What did you do that might have made this happen?
Where can I download Apple Hardware test?