At that time I did not know the JAVA update was the culprit - but when I just updated it again the problem re-occurred. When I reinstalled the OS it worked normally. If you are not in the US you should use the Change Country link at the bottom of Apple pages.I have had the same problem. Information about upgrading Snow Leopard to Lion or Mountain Lion: Ĭheck that your Mac complies with any requirements.
If you have an Intel Mac it is well worth upgrading to Snow Leopard now and then considering other options after that. If it says PowerPC you cannot upgrade to Snow Leopard and above. Then click 'More Info' to see which processor you have. If in doubt check this: Click the apple at the top left of your screen and select 'About this Mac'. OSs beyond OS X 10.5.8 require an Intel processor. Leopard works well at 500 MHz with 1 GB of RAM and many happy users have less than this. Details: Standard Leopard installers impose several hardware limitations including speed and RAM size but all these restrictions can be overcome. Those wishing to upgrade to Leopard should be aware that install disks can be expensive unless you contact Apple. The Apple History site has specifications for every Mac ever produced: Inexperienced users should follow Apple's install advice but experienced users may prefer to do a clean install. Hard disks can fail at any time so it is important to regularly backup to an external disk with Time Machine or a third party alternative. So, if you currently open OS 9 apps in classic mode, you won't be able to do this if you upgrade to Leopard.Įnsure your data (at least all Home folders) is backed up before you install. Mac OS X 10.5 Leopard Installation and Setup GuideĪfter you install the base 10.5, download & install the 10.5.8 combo update at Ĭaution - Leopard does not support classic mode.
MB022Z/A Leopard 10.5.6 install DVD (5-user family pack) MB021Z/A Leopard 10.5.6 install DVD (single user) If you can't obtain a retail install DVD from Apple, look on eBay or Google the installer part numbers to possibly find at an on-line store. Leopard is no longer available at the Apple Store but may be available by calling Apple Phone Sales 1-800-MY-APPLE (1-80). Mac OS X 10.5 Leopard installation system requirements There's no download of the base OS 10.5.x.
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