First of all,you need to install ATI official display driver,you may download the newest ATI linux display driver here:https://a248.e.akamai.net/f/674/9206/0/www2.ati.com/drivers/linux/ati-driver-installer-8-6-x86.x86_64.run
First of all,you need to install ATI official display driver,you may download the newest ATI linux display driver here:https://a248.e.akamai.net/f/674/9206/0/www2.ati.com/drivers/linux/ati-driver-installer-8-6-x86.x86_64.run
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