Can't change bios setting after upgrade

I'm using win8 in UEFI mode After I changed my graphic card , the bios setting for overlock/disabling onboard graphic etc did nothing after I change them , the old setting in bios before the graphic card upgrade are stuck and do not want to change , but setting like "secure boot" I can change it without problem(disable/enable) but setting for overclock and mobo Won't , any tips plz?

ps: using Asrock Z75 pro3.
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More about change bios setting upgrade
  1. Try clearing the CMOS. If that doesn't work, try updating/reinstalling the bios.
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