1
vote
0answers
61 views

Impossible install Mac OSX, probably firmware damaged

Yesterday evening I install update on my MacBook Unibody (Version 6,1; Late 2009). The update run on Mac OS X 10.8.5 consist in security update and new version of Safari and iTunes. The update is run ...
5
votes
1answer
752 views

How to downgrade EFI firmware back to version 1.6

I'm trying to get a SATA III hard drive to work in my MacbookPro5,1. I think I've finally figured out that if I downgrade the EFI firmware to version 1.6, my computer will negotiate the link at SATA 1 ...
1
vote
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
vote
1answer
3k views

Where is the EFI stored on the macbook and is it possible to restore a previouse EFI firmware version?

I recently upgraded my macbook pro 2008 (not unibody, running 10.6.8) to mountain lion. Directly after the upgrade finished the machine ran smoothly. But after a reboot it does not boot at all (no ...
9
votes
4answers
3k views

Is a hardware-based full disk encryption possible on a Mac?

Is it possible to use hardware-based full disk encryption (perhaps on a Samsung 840 Pro SSD) on a Mac, specifically a Macbook Pro 8,2? If so, how? My understanding is that this will be handled in the ...
1
vote
1answer
273 views

If MacbookPro has BIOS emulation, why the need for ELILO for Linux?

I'm not fully versed in how the EFI booting process happens. If I want to install Linux in a partition formerly used by Windows, why can I not simply use LILO, installing the boot section in the ...
1
vote
0answers
360 views

Replacing OS X with Linux or Unix, and making the switch to Tiling Window Managers

I have a Macbook Pro 8,2 and really want to make the switch to something a little less stubborn and a little more flexible than the proprietary Mac OS X. I am a bit frustrated with MacPorts lately and ...
1
vote
5answers
3k views

Why I can't get out of EFI firmware update 2.7 on my MacBook Pro?

Performing the EFI firmware update to version 2.7 these days, I noticed that my 15" MacBook Pro (bought March 25, 2012) resets for five times before booting effectively. Even then, I can notice that ...
3
votes
1answer
387 views

MacBook Pro will not wake from sleep after installing third party application

I installed an application called Air Parrot that uses air play with an Apple tv to mirror or extend the desktop. I noticed that after I installed it, I am no longer able to wake my Mac from sleep. ...