HT202780: OS X: Using multiple displays in Mavericks
Learn about OS X: Using multiple displays in MavericksQ: I am using OS X 10.9.2 and Mini Display to share screen with Panasonic Plasma TV. Previously it was working fine but now it is not ... I am using OS X 10.9.2 and Mini Display to share screen with Panasonic Plasma TV. Previously it was working fine but now it is not?! more
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Helpful answers
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Apr 11, 2014 1:15 PM in response to mohdfadhulby braden85,Hey mohdfadhul!
Here is an article for you that will help you troubleshoot this issue with your external monitor connection:
Apple computers: Troubleshooting issues with video on internal or external displays
http://support.apple.com/kb/ht1573
Thanks for coming to the Apple Support Communities!
Cheers,
Braden
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Apr 11, 2014 3:52 PM in response to mohdfadhulby BobHarris,Do you have a utility such as gfxCardStatus installed, and have it set to force the Integrated intel graphics subsystem? If so, then change it to the descrete graphics and you will be able to drive the external display.
