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Why does daisy-chaining a Mini-DisplayPort monitor in a Thunderbolt chain cause overscan issues?

838 Views 5 Replies Latest reply: Apr 27, 2013 2:44 AM by LowLuster RSS
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Apr 26, 2013 6:32 PM

I have the awkward 2011 MacBook Pro with a single Thunderbolt port and no USB3.  I very frequently use it connected to my HP 2311x LED Monitor.  For the very first time, today I placed a external Thunderbolt drive in-between my MacBook Pro and the HP 2311x.  This causes the image to severely overscan.  Correcting it by using the underscan option in the display settings significantly reduces image quality.

MacBook Pro (15-inch Late 2011), OS X Mountain Lion (10.8.3), HP 2311x LED Monitor

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