graphical artifacts lion

Discussion in 'Mac OS X Lion (10.7)' started by tommekevda, Sep 8, 2011.

  1. macrumors newbie

    Oct 27, 2010
    hi all,

    since i have lion i have been having some weird graphical artifacts.
    i have the newest imac available.
    does anyone know how to fix this?
    logging out helps, terminating windowserver as well but i'd like to prevent this issue from happening in the first place

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