New answers tagged projector
The problem shows after using an external monitor with a different resolution. For example a tv. Befor disconnecting the monitor set up the parameters foryour screen and then take the HDMI cable out.
Turn off the iPad (shut down) and then turn it on again. It worked for me.
2007 had 2 iMac models. The white Intel iMac and then the start of the Aluminum models. Based on the info and pictures above, you have the Aluminum Core2Duo model, which should be able to handle up to 1920x1200 digital external display in extended desktop mode so it isn't a limitation of the iMac video RAM. In the list above, when in extended desktop ...
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