Win10 + Ubuntu 18.04 dual system postscript
For the installation of dual systems, the online tutorials and the \ (B \) station tutorials are already very detailed, but there will be some problems during the actual installation process. I do n’t know if you encountered it. Anyway, I encountered, \ (Grub \ ) For a system that cannot be booted, leave a hole first, the reason is unknown, but there is a specific solution below, the problem is mainly on the partition.
Normal \ (Ubuntu \) system installation, for beginners, is installed with the attitude that the larger the memory, the better, but the opposite is true for \ (Ubuntu \) dual system installation. When partitioning, a disk must be \ (200MB \) , it must be \ (200Mb \) . Used for \ (EFI \) system partition. Several previous installations were due to this problem, or they were all hung under \, or the installation failed due to too many \ (EFI \) partitions.
In addition, for my installation, the two systems are divided into disks, that is, there is EasyBCDno way to connect them together, only through setting \ (BIOS \) to set the priority order to operate the different systems.
Attach Lenovo Enter \ (BIOS \) as \ (F2 \)