Depending on how annoying it is, warranty swap it (though coil whine is not really a manufacturing defect, it’s the inductor on one of the switching power suppl

Depending on how annoying it is, warranty swap it (though coil whine is not really a manufacturing defect, it’s the inductor on one of the switching power supplies vibrating at an audible frequency, so it’s really dependent on the manufacturer if coil whine is covered under warranty, you might have better luck under their returns policy depending on the age of the device) or crack that sucker open and glue down the offending coil (damping the vibration - you should be able to find the coil with your ear and your finger, applying pressure to the coil with your finger should dampen the vibration). HOWEVER that may void your warranty as manufacturers don’t like it when you do such things to your boards. I’ve also had good luck with applying pressure to the coil while reflowing the coil (so the coil is better seated on the pcb, again damping the vibration) or just swapping out the coil, but this requires soldering tools, bravery, and some soldering/rework practice as you don’t want to knock/blow off any components in the surrounding area. BUT again this could easily void any remaining warranty as they don’t like you reworking the board. My advice, file a claim under warranty and try your luck, because even if they accept it as a warranty replacement and swap out the laptop, the next one might very well suffer from the same thing (as you pointed out, it seems a common thing with lenovo)