In my dock... finder have some kind of white bar over him that don´t disappear
iMac, Mac OS X (10.7.1)
Ok thank you all!
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It looks like a video artifact mayb related to your video card. There was a recent update for Graphic Firmware released for iMacs running Lion. I don't know if your iMac was one of the machines that required the Firmware update. Have you run Software Update in the last week? Did the Firmware Update appear on the list of updates to download?
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In my dock... finder have some kind of white bar over him that don´t disappear