Currently Being ModeratedFeb 11, 2014 7:28 AM (in response to snoe06)
Start by checking if you can run Snow Leopard:
Requirements for OS X 10.6 'Snow Leopard'
(NB: PowerPC applications can still be run in Snow Leopard using Rosetta, but they will not work in later versions of OS X.)
The OS 10.6 Snow Leopard install DVD is available for $19.99 from the Apple Store:
and in the UK:
When you have installed it, run Software Update to download and install the latest updates for Snow Leopard to bring it up to 10.6.8, or download the combo update from here:
Check via Software Update whether any further updates are required, particularly to iTunes.
You should now see the App Store icon in iTunes, and you now need to set up your account:
You can now upgrade to Mavericks OS 10.9 for free IF you have one of the following Macs, with not less than 2GB of RAM, and at least 8GB of available space on your hard drive:
iMac (Mid-2007 or later)
MacBook (13-inch Aluminum, Late 2008), (13-inch, Early 2009 or later)
MacBook Pro (13-inch, Mid-2009 or later), (15-inch, Mid/Late 2007 or later), (17-inch, Late 2007 or later)
MacBook Air (Late 2008 or later)
Mac Mini (Early 2009 or later)
Mac Pro (Early 2008 or later)
Xserve (Early 2009)
iCloud system requirements:
If you cannot run Mavericks you can purchase the code to use to download Lion from the App Store (Lion requires an Intel-based Mac with a Core 2 Duo, i3, i5, i7 or Xeon processor and 2GB of RAM, running the latest version of Snow Leopard):
or Mountain Lion:
Currently Being ModeratedFeb 11, 2014 7:33 AM (in response to Klaus1)
I have already checked the requirements for OS X 10.6 'Snow Leopard' @
http://support.apple.com/kb/SP575 and my Mac meets those requirements.
I already have a OS 10.6 Snow Leopard Install DVD.
The problem is that I cannot run the installer, I recieve an error stating "This Mac cannot be upgraded to this version of OS X."
Currently Being ModeratedFeb 11, 2014 7:39 AM (in response to snoe06)
Installing or updating Snow Leopard:
Currently Being ModeratedFeb 11, 2014 11:47 AM (in response to Klaus1)
I've verified the disk using Disk Utility and no errors are found. I've been able to boot the Mac using Safe Mode and then restart successfully. However, I am still unable to run the installer from the disc and the same errors persist; both when running the installer when the Mac is already running and when holding the 'C' key on startup.
Currently Being ModeratedFeb 11, 2014 12:52 PM (in response to snoe06)
Reports of this are increasing. I wonder if there are some suspect DVDs. Contact Apple and ask them what to do.
Currently Being ModeratedFeb 11, 2014 1:09 PM (in response to snoe06)
Hi, I vaguely remember a couple of cases of early MacBooks having trouble installing if they had added RAM, & reducing it to original spec cured the problem... no idea if this is your problem or not... just throwing it out for consideration.
Currently Being ModeratedFeb 11, 2014 1:23 PM (in response to BDAqua)
Now I wonder who it is who keeps saying you need more RAM for SL?
Currently Being ModeratedFeb 11, 2014 1:28 PM (in response to Neville Hillyer)
The install disc reads:
Mac OS X Install DVD
Mac OS version 10.6.3
Disc version 1.0"
I'm installing on a MacBook (not MacBook Pro) but I wouldn't think that to be the cause of the problem.
Currently Being ModeratedFeb 11, 2014 2:18 PM (in response to snoe06)
This appears to be a model specific installer supplied with a new MacBook Pro. It is unlikely to work on other models. I suspect the only way to use this is to install on a MacBook Pro and clone to elsewhere.
New multi--model installers direct from Apple are inexpensive.
Currently Being ModeratedFeb 11, 2014 2:22 PM (in response to snoe06)
Yes, that would explain it. You need to purchase the retail install disk from Apple.
Currently Being ModeratedFeb 11, 2014 11:25 PM (in response to snoe06)
Same here, only I have a MacBook Pro.
It is running 10.5.8 and meets the tech specs for Snow Lepoard.
I have bought the original SL 10.6.3 Upgrade DVD.
Problem: the optical drive is faulty.
Will have to use another MBP's optical drive, as advised in "Installation Instructions".
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