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I tried to update the video drivers on my IBM thinkpad t42 but now there is a white line around my windows. It is a small white line about 1 pixel wide. The line appears when I open a new windows or change tabs in a window. If I click on the line it will disappear. When I tried to take a screen shot of the line it disappeared. XVidCap does not show the white line either. The white line only appears when windows are full screened.

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I had the same thing.

In terminal write sudo apt-get upgrade, this should fix it.

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do you mean sudo apt-get upgrade? – wil Feb 27 '13 at 18:22
oh sorry yes i mean sudo apt-get upgrade :) – DeeJaVu Feb 27 '13 at 18:23
ok I am running that command now – wil Feb 27 '13 at 18:25
that command didn't work, When I go to update manager it says there are updates that can't be installed. The updates are under the (LP-PPA-xorg-edgers) – wil Feb 27 '13 at 18:48

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