Undervolt Intel CPU

Is there any method to undervolt CPU?
On ubuntu I use this method and it worked very well for me:

I am a beginner in linux. Maybe someone will tell me why it doesn’t work.

anyone with the tip here?

Follow the arch wiki’s guide for undervolting.

Theres some other Arch articles about undervolting out there too.

I used intel-undervolt found here

Build it from source and follow its instructions and you’ll be on your way.