Turn off iMac while watching TV from HD TV

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I cant seem to turn off  iMac display while I am watching a movie from HD TV. Can anyone guide me how to do so? Also tell me how often must I switch off my iMac?

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Answered By 0 points N/A #199522

Turn off iMac while watching TV from HD TV

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Hi !

Your iMac should automatically recognize the presence of a digital video signal at the Mini DisplayPort and enter Target Display Mode. If your iMac does not automatically enter Target Display Mode, press command + F2 to manually enter Target Display Mode. 

You can manually turn off Target Display Mode by pressing the command + F2 keyboard combination, or by disconnecting or turning off the video device connected to your iMac. 

Your iMac will continue to run OS X as well as any applications that were open when it entered Target Display Mode. While in Target Display Mode, only the keyboard’s display brightness, volume, and Target Display Mode key combinations are active. Any other keyboard input will be ignored. USB, FireWire, and inputs other than the keyboard will also be ignored.

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