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I have a very noticeable transparent glitch in the Unity Dash. It does no transparency at all and instead shows a green to red color transition with black checkered boxes. This is an entirely different visual glitch than the one that affects Intel Graphics Cards. This glitch only happens when I open the dash or the Shutdown dialogs. When the dash is not open, The unity left bar displays as it should with no glitch.

Green to Red checkered board effect.

The computer that has this glitch is a 2008 Toshiba Satellite L355D-S7825 Laptop. The graphics card is a ATI Radeon X1250. This computer also has had very bad graphics performance on Unity ever since Ubuntu 11.10, showing very choppy transitions and animations. I dual boot it with Windows Vista.

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Please post a comment telling what version of fglrx (the ATI binary X.Org driver) that you are using on your laptop. –  karel Jun 3 '13 at 3:09
    
I'm using the stock X.org driver that ships with 13.04. This is a clean install. The fglrx driver is no longer compatible with this graphic card anymore. Never installed fglrx. –  Teddy Thorpe Jun 3 '13 at 3:17

2 Answers 2

up vote 1 down vote accepted

I had the same problem but I got it fixed by disabling Unity Panel transparency from "Panel" tab and Background Blur from "Search" tab with Unity Tweak Tool.

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I have a Toshiba Satellite A210-MS5, with a X1200 ATI Radeon, and solved the same problem just by disabling "Background Blur" in the "Search" tab with Unity Tweak Tool. -releve1403

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