Huh.. so the bizzare thing is I do not have a modified BIOS, but running
the patcher fixed the problem..
Thank you all very much for your inputs
Never mind, some problem with signature maybe this patcher fix all these problems. Only there are cons, but not for mining.You need install patch
https://www.monitortests.com/forum/Thread-AMD-ATI-Pixel-Clock-Patcher
It's because of modified bios.
http://www.overclock.net/t/1604567/polaris-bios-editing-rx5xx-rx4xx
https://www.monitortests.com/forum/Thread-AMD-ATI-Pixel-Clock-Patcher
It's because of modified bios.
http://www.overclock.net/t/1604567/polaris-bios-editing-rx5xx-rx4xx
the patcher fixed the problem..
Thank you all very much for your inputs
If you don't want this just run again the patcher or uninstall drivers and install new one it will over write.