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If I want to update my hardware, what do I do?

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    InsanelyMac Geek

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I was considering the option of upgrading my motherboard and cpu to a new socket (I have a LGA 775 currently). Would to do a fresh install of Lion? Or would there be a way to keep my current install while just editing a few things?



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When I copied my 10.6 install from my Core 2 Duo to my Core i7 Laptop I just removed cloned the drive and removed the unnecessary (for the i7 machine) kexts and added the appropriate ones for it. OS X is very good about being flexible with the installed hardware.

Gringo Vermelho

Gringo Vermelho

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Yep, OS X doesn't "lock" itself to the hardware it's installed on but before attempting to boot your installation on your new hardware I guess it could be a good idea to flush the system caches. On Lion, you can do this by deleting the contents of /System/Library/Caches/com.apple.kext.caches/Startup.

Note that if you have any software installed that uses your Hardware UUID (see System Profiler, Hardware) for registration purposes, serial number generation etc, it will no longer work.

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