This article is used in case your Imac graphics card is damaged. Your MAC with white or gray screen.
You run your MAC with integrated graphics card to copy data or do something else.
Stop your mac by holding the power button in about 10 or 20 [...]
I got "This Item Is Temporarily Unavailable" message on my imac when reinstall OSX
When you reinstall your MAC with new apple Id (The id that haven't install OSX before) You will got an error message "This item is temporarily Unavailable. Try [...]