I just reinstalled Windows 10 and reinstalled everything.
I have modded my GPU but still getting a same hashrate.
Please see my setting and advise what I have done differently.
Thank you

Did you set your gpu to compute mod from amd settings?
10 Uninstall adrenaline driver with DDU.
20 Reboot.
30 Reinstall blockchain driver.
40 If bios mod = no, goto 70
50 If bios mod = yes, goto 60
60 Run atikmdag-patcher.exe. Click yes.
70 Reboot