Can't display at full resolution on an external monitor from my MacBook.

Posted by Ramblingwood on Super User See other posts from Super User or by Ramblingwood
Published on 2010-02-17T21:43:11Z Indexed on 2010/05/24 14:02 UTC
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osx

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multiple-monitors

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osx-leopard

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external-display

I have a 24" Asus V246H and a new MacBook ($999 one). I am trying to display to display to my Asus at 1080p via VGA. So I boot up with the lid closed and the external monitor plugged in. Everything boots up fine, but the resolution is really low. So I go in and change the resolution to be 1920x1080. My monitor then has a blue box on it that says "OUT OF RANGE". Lower resolutions like 1024x768 work, but 1680x1050 doesn't.

If I try mirroring my displays, the entire external monitor AND the entire laptop screen is completely garbled. I can make out some colors, but it is completely unusable.

I am suspecting that it simply won't work via VGA, but I don't want to buy another adapter, and my PC is using the DVI port.

Any solutions?

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