I have ati saphire hd 5870 graphics card.
I newly use win 8.1 pro.
when I instal ati catalyst 15.7 for my system,I can not install it give me errpr failed to load detection driver.
I was able to resolve this issue by disabling Windows Driver Auto update, uninstalling the current driver in Device Manager, rebooting and re-running 15.7 install.
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