Close
Q: unable to upgrade to 4 gig from 2 gig, I can upgrade up to 3 gig but computer will not boot with the 4 gig cards. I have a 24" mid ... more
-
Nov 8, 2012 9:15 AMby mende1,Welcome to the Apple Support Communities
Check if you have bought the correct RAM > http://support.apple.com/kb/HT1423?viewlocale=en_US#2
-
Nov 8, 2012 9:20 AMby Brian321,I have the correct cards. only one of the first set of cards worked. I installed the 2g cards. but would not boot. When i installed the cards one at a time with the origional 1 gig card it booted fine. it's just when both are installed. My Mac states it can handle a max of 4gig
