Have an iMac 21", 2.5, Mid 2011 and a MacBook Pro Mid 2012 and I just bought a Mini display to connect them through the Thunderbolt. I cannot see that they are connected or the choice to connect it in the screen logo in the menu bar. Command F2 doesn't work.

Any idea whats wrong? how can I get the option to have them connected, not for data, just sound and image?


The problem is that you need to use a Thunderbolt Cable to use your iMac in Target Display Mode. From Apple's website:

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From your original question, you mention that you purchased a "mini display" which I can only deduce is that you meant that you bought a "mini Display Port cable." If this is in fact the case, it's the wrong cable; which is why it's not working.

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