Note: The last command can only work on Windows 10 versions after the 17101 build as it’s related to restoring the Ultimate Performance Power Plan available for the newest Windows 10 builds for workstations.
Right-click on the first result which will appear at the top and select the “Run as administrator” option. Search for “Command Prompt” either right in the Start menu or by tapping the search button right next to it.
You can restore the missing power plan settings simply by running several commands in Command Prompt.
Perhaps, you can create a new user account and check if that works fine, if not, could you tell me if you are in the Windows 10 S mode, or is that regular without the S mode? Meanwhile, also try the below steps: