HT201417: LED Cinema Display (27-inch): Troubleshooting no video issues when using DVI video ports

Learn about LED Cinema Display (27-inch): Troubleshooting no video issues when using DVI video ports
soraya74

Q: when I turn on my computer i have no video display.  All i have is a black screen and a mouse arrow what is wrong

After updating my software I have no vidio display on my computor. all I have is a black screen and my mouse icon. what can be wrong.  I turned the computor off and restarted and is is still the same

iMac, OS X Mountain Lion (10.8)

Posted on Feb 26, 2014 10:06 PM

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Q: when I turn on my computer i have no video display.  All i have is a black screen and a mouse arrow what is wrong

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  • by dominic23,

    dominic23 dominic23 Feb 27, 2014 5:52 AM in response to soraya74
    Level 8 (41,728 points)
    Mac OS X
    Feb 27, 2014 5:52 AM in response to soraya74

    1. System Preferences >  Flash Player > Advanced >  Delete  All

         Press the "Delete All" button

     

         Install Adobe Flash Player.

     

        http://get.adobe.com/flashplayer/

     

        Follow the prompts.

        Quit Safari.

     

        Restart computer. Relaunch Safari.

     

     

    2.  Allow  Plug-ins

      

        Safari > Preferences > Security

     

        Internet Plug-ins >  "Allow  plug-ins"

        Enable it.

        Press " Manage Website Settings" button for more options.

     

    3. Safari > Preferences > Privacy

     

        Press the button “ Remove All Website Data”.