How to update Late 2009 iMac to High Sierra.
How to update Late 2009 iMac to High Sierra.
iMac, OS X 10.11
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How to update Late 2009 iMac to High Sierra.
iMac, OS X 10.11
Try installing this in Safe Mode, but not using Firefox...
https://itunes.apple.com/app/macos-high-sierra/id1246284741?mt=12
Safe Boot, (holding Shift key down at startup).
Try installing this in Safe Mode, but not using Firefox...
https://itunes.apple.com/app/macos-high-sierra/id1246284741?mt=12
Safe Boot, (holding Shift key down at startup).
How to update Late 2009 iMac to High Sierra.