Re: Ubuntu 12.04 64bit on 2011 iMac 27" - screen brightness
You'd probably be better off running Ubuntu in VirtualBox with Guest additions enabled; this way, the brightness controls are driven by OS X.
I found my Ubuntu to be really fast and responsive in a VM, with all the power given by the CPUs. This way, I didn't have to bother with rEFIT and Mactel drivers hassles. It works really well for me, both on my MacBook Pro and my iMac 21". The best of both worlds without the need for dual booting.
Last edited by the8thstar; June 13th, 2012 at 01:58 PM.
Desktop : iMac 21.5" (2011) Core i5 Sandy Bridge - AMD Radeon HD 6750M - 8Gb RAM - OS X 10.8.3 Mountain Lion
Laptop : EasyNote TS 44HR (2012) - Core i3 Sandy Bridge - Intel HD3000 - 4Gb RAM - elementary OS 0.2 + Windows 7 Home Premium SP1
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