You will also need to update HKEY_USERS\.Default
If the registry importy is correct, then you might need to check whether the registry key actually contains the correct value.
Also, do you actually activate the new power scheme. It is not enough to just import the scheme, you will also need to set HKEY_CURRENT_USER\Control Panel\PowerCfg\CurrentPowerPolicy to the correct power policy number.
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There are two types of vessels, submarines and targets.
