Display Driver ATIKMDAG stopped responding and has recovered

Hello everyone,

Recently, I've been getting this notification about my display driver ATIKMDAG stopped responding and has recovered. I'm running a Vista OS and my computer is a QuadCore. Whenever I try to launch applications such as games and sometimes even iTunes, my computer freezes with a black/grey screen and I have to off my computer with the power button. My graphic card is an ATI Radeon HD5770 1024MB.

Can someone please help me?
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More about display driver atikmdag stopped responding recovered
  1. Did you installed the proper driver for your card?
    Download the latest driver on ATI site:
    choose your OS and type of your card there, download it and install it...
    make sure you remove(uninstall) previous driver before installing the new one...
  2. Hello and welcome to the forums
    I always recommend installing the latest drivers but not this time,because many users found 10.7 unstable and buggy so try an older driver like Catalyst 10.5, do a clean install of it,here is how
    1_Download and install "Driver sweeper" from Guru3d.com and install
    2_Go to add/remove programs and uninstall the driver and reboot
    3_Boot to safe mode and open driver sweeper,then click on ATI and then click on clean
    4_Reboot and boot normally to windows and install the new drivers after that you need to restart,and its done

    Also try disabling Windows Aero and see if it helps.
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