Necessary condition: create ubuntu usb boot disk
1: Control Panel> Hardware and Sound> Power Options> Select the function of the power button> Change the currently unavailable settings, uncheck Enable fast startup (recommended)
2: Secure boot is disabled in the BIOS
3: Restart the computer and select usb to start
important:
5: Partition
5.1: Allocate 300M EFI boot partition
5.2: Allocate swaparea (swap space) of physical memory
5.3: The rest is allocated to the root directory (/)
5.4 Boot loader installation directory is selected as the efi partition allocated by 5.1 cloth
Click to install, and you can do it step by step