i need to erase everything on this laptop because i want to re program it. It currently is programmed with Easy Peasy.

Just boot to the Ubuntu install media and select to use the whole disk for Ubuntu. It will delete all current date and put Ubuntu in its place. Have you not tried this?

There is a walk-through of installing Ubuntu here

http://askubuntu.com/questions/6328/how-do-i-install-ubuntu

It will detect other operating systems but if you tell the installer to replace the existing one it will erasing all your old data in the process.

To erase everything on your laptop and reprogram it, you can follow these steps:

Backup all important data: Before you erase everything on your laptop, make sure to backup all of your important files, documents, pictures, and other data to an external hard drive or cloud storage service.

Reinstall the Operating System: To erase everything on your laptop, you need to reinstall the operating system. You can do this by using the built-in recovery or reinstallation feature on your laptop or by using a bootable installation media.

Choose the Right Programming Environment: Once you have a fresh installation of the operating system, you can start to reprogram your laptop by choosing the right programming environment. There are many different programming languages and environments to choose from, so take some time to research and find the best one for your needs.For more you can visit:
https://buildsuperpc.com/best-processors-for-programming/

Learn and Practice: Finally, start learning and practicing the programming language or environment that you have chosen. There are many online resources, tutorials, and forums where you can get help and support as you start your programming journey.

By following these steps, you should be able to erase everything on your laptop and reprogram it with ease. Good luck!