Review: HP ZBook Firefly 14 G11 A. This pro laptop is a great all rounder for CAD and BIM with a solid, well built 14-inch ...

There are two ways of doing this to apply it across all power profiles. You can either keep changing the existing power plan and use the SCHEME_CURRENT option to change for all one after the other.

There will also be a standby 5V supply using another small transformer, and a “power good” circuit to tell the motherboard that the PSU is ready and to activate the supply on an external input.