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I am running Windows 7 on a MacBook Pro connected to a Kensington Universal Multi-Display adapter. When I have a WPF application on the monitor it doesn't display correctly. WPF applications will not repaint themselves except for the title bar. When I drag the app over there and release the drag the application looks fine, but I can't interact with it because it won't repaint itself. If I make another window come on top of it, I have to drag the WPF application to a different monitor to get it to repaint.

How can I fix this?

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Have you tried updating your DisplayLink driver (from Displaylink.com) to the latest? – Ƭᴇcʜιᴇ007 Nov 15 '11 at 21:36
    
This is a driver issue. I believe techie007's answer should solve your problems. – surfasb Nov 16 '11 at 8:50
    
Thanks for the tip. I just updated to the latest driver and it did not fix it. – David Silva Smith Nov 16 '11 at 14:53
up vote 2 down vote accepted

Switch to Windows Aero mode. This has been discussed on the DisplayLink forum as a known issue when not using Aero.

To turn Aero on:

  1. Right Click on the Desktop
  2. Click Personalize
  3. Select an Aero Theme.
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