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Can I change 64 bit from no to yes?

My 2006 Imac won't run fusion 4

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What are the last 3 characters of your serial number, please?


Macbook is VMM, Imac is V4P


The MacBook's CPU is 32 bit and soldered to the board. I am not getting any results from the iMac. Please recheck the iMac's serial number - v4p is not referencing to any Apple product.


ADV4P are the last 5 characters


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I have a Core Duo, I tried holding the 6 & 4 during restart and the software box in 'about this mac' still says,

"64-bit Kernel and Extensions: No"

So I guess I'm stuck with 32-bit?

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