HT202731: Using Apple Diagnostics
Learn about Using Apple Diagnostics
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Helpful answers
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Feb 1, 2015 7:35 AM in response to ChrisMacPro26by sterling r,Howdy ChrisMacPro26,
If I understand you correctly your computer screen is black when you turn it on or doesn't turn on at all. Either way, use the troubleshooting information from the following article from top to bottom. It will help you determine if this is an issue you can resolve on your own or not:
Troubleshooting: My computer won't turn on
Thank you for using Apple Support Communities.
Take care,
Sterling
