Fastbook: Disabled Launch CSM: Disabled Secure Boot: Disabled
(Some BIOS machins require this)
- On machines with Other OS / Windows 10: Other OS
- On machines with Windows 7 / Windows 8.X: Windows 7
- Open GParted
- Create a new partition table (MSDOS)
- Create an EFI-ready partition
- FAT32
- About 200–400MB (200MB is more than enough unless you have a good reason otherwise)
- Boot flag
- Now it is "EFI-ready"
- When installing Ubuntu
- "Something else"
- Select this EFI-ready partition to use as EFI partition
(Windows 10 Linux Dual Boot Tutorial | BIOS and UEFI partitions configuration on Asus X553MA)[https://www.youtube.com/watch?v=AbTpB6_677Q]