If you receive an error message indicating that your Mac's firmware is out-of-date, and hence cannot accept installation of Mac OS X from a CD/DVD -- specifically ...
The error message "Volume does not meet requirements for this update" may appear when attempting to install a Mac OS X updater or a full release from disc. Generally ...
We here at Macworld encourage users to install OS updates sooner rather than later, less because of the new features (if there are any) and mostly because of the important security and bug fixes.
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