I made USB for the Ubuntu OS. To format a PC that already has Ubuntu installed, you must first change the boot options. After turning on the PC, press F2 to enter the BIOS screen.
Enter the boot sequence, change the boot order to USB storage Decive first, select UEFI in the Boot List Option, click Apply, and then click Exit.
Then, you will find this display below.
If you press the Install button, you will be presented with a screen to select the installation environment as shown below.
Here you have to select the option to erase all PCs and install new ones.
After all settings are selected, the installation starts.
Click Restart Now.
So, Installation is completed.
