Windows Task Manager reports base frequency instead of dynamic clock speed

Symptom:
- The computer is running Intel processors (I don't know if the same will happen with AMD processors)
- Windows Task Manager reports the base frequency of the processor (default clock speed)
- Other tools (CPU-Z, Intel Turbo Boost Technology Monitor, etc) reports the dynamic clock speed for Turbo Boost / SpeedStep
Cause:
- Hyper-V is enabled, which will cause the "host-OS" to be one of the virtual machines that only the default clock is reported (because SpeedStep is controlled at the hypervisor level)
Solution:
- Disable Hyper-V role if it is not in use, or use other tools to report the running clock speed