At this moment I can have a turbo all the time (it is present even on idle) or shut down constantly. Is it ok that processor isn't adjusted to current needs of power? If nok how to manage it?
With MSI I have no idea why it isn't allowing you to change voltages, do you have the check mark in setting ticked that allows adjustable voltage?
And IMO the best way to turn turbo off is with Throttlestop or This way https://www.tautvidas.com/blog/2011/04/disabling-intel-turbo-boost/
If using Win10, there is new option near processor power state to disable turbo. It is called maximum processor frequency. Just put it to your CPU default, and that's it.
I switched to using this after some Windows update, when 99% max CPU state option stopped giving me 2.8GHz clocks and instead used 2.7GHz.