Quincey: Two points:
1) Your machine should be no newer than OS X 10.8.5 or driver issue will happen. 2) You need to create an install media (wiping it in the process) and perform an fresh install (wiping the partition in the process). Sent from my iPhone > On Nov 18, 2015, at 08:50, Quincey Morris > <quinceymor...@rivergatesoftware.com> wrote: > > I want to install 10.8.5 somewhere, to debug an app compatibility issue on > that OS, but I can’t seem to figure out how. > > I have an empty hard disk I can use, but there’s nothing installed on it. > I’ve got the Mountain Lion installer app from the App Store, but it won’t run > under El Capitan. (It’s “too old” to run.) So, without an older OS X to run > it on, I can’t get an older OS to run it on. (The Yosemite installer won’t > run either.) > > What’s the right way to go about this? > > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/cocoa-dev/max%40maxchan.info > > This email sent to m...@maxchan.info
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