![]() ![]() Even though the Mini's screen will be black, the remote Mac will show a usable image. In order to switch back to a usable resolution, you will have to remote control the Mini from another Mac using screen sharing, Apple Remote Desktop, VNC, or Timbuktu. It doesn't matter if you are connecting another display to the interface and afterwards changing the resolution the Mini keeps on switching back to the former one if the misbehaving display is re-connected. ![]() So the screen still stays black, as 75Hz can't be shown although the Displays System Preferences pane offers this frequency. When (for example) using a Benq LCD connected via a VGA to DVI adaptor to the Mac Mini and changing the frequency from 60Hz to 75Hz, the Mini will always remember the chosen resolution, even if a PRAM reset or complete hardware reset is done. In case someone has chosen a wrong display resolution for a connected display, it is very difficult to switch back to a usable resolution. Apple's Intel Mac Mini has only one display connection, the DVI interface. ![]()
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