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Can an iMac (7,1) be booted into 64-bit mode in Lion?

2783 Views 5 Replies Latest reply: Mar 12, 2012 8:58 PM by rkaufmann87 RSS
WillieB Calculating status...
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Mar 12, 2012 3:43 PM

Our 2007 iMac 2.4G Core2Duo (7,1) doesn't boot into 64-bit mode when holding down the 6 and 4 keys in 10.6.8.


We were wondering if this has changed in Lion, as we're wanting to run Adobe Lightroom 4 which seems to require 64-bit mode.



MacBook Pro, Mac OS X (10.6.8), 15" 2.5GHz C2D 6MB RAM


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