1
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2answers
2k views

Unsupported hack or workaround to get 64-bit OS X to install on a MacBook Pro having only 32-bit EFI?

I want to install the 64-bit OS X 10.7 on my MacbookPro 2,1, which has a 64-bit processor, but only 32-bit EFI and Kernel Boot mode. I know that this is not officially supported, but I assume there ...
1
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1answer
228 views

Macbook Pro Core 2 Duo won't install 64-bit OS X 10.7

I am trying to install OS X 10.7 x64 on my Intel Core 2 Duo MacBook Pro from 2007. Before I was running OS X 10.6.8 x64 which worked fine, but I can't seem to install 10.7 as 64-bit. Somehow it ...
6
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2answers
1k views

Am I missing out by not running in 64-bit mode?

I'm running an Early '11 MacBook Pro with 16GB RAM. Currently, OS X Lion runs in 32-bit mode by default, and an important piece of software I use for work requires this mode (Cisco VPN client). Most ...
6
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3answers
13k views

Installing 64-bit java on Mac OS X Lion?

When playing Minecraft 1.0, a java-based game, when I switch the rendering options to "Far", the game shows a message saying that memory usage for the game might be too high in Far rendering mode, and ...