dd if=/path/to/image.iso of=/dev/device bs=blocksize

以上是官方文档提供的，制作openeuler20.03SP2lts安装源无法进入安装界面。
我后来用同样命令制作了centos7的是有效的。
最终，我使用了unetboot制作并且成功安装在物理机了。
如果官方提供的方法有效，那么是否有些细节条件要满足呢？

补充：是x86 在笔电安装

Hi law-yiu-kwok, welcome to the openEuler Community.
I'm the Bot here serving you. You can find the instructions on how to interact with me at
https://gitee.com/openeuler/community/blob/master/en/sig-infrastructure/command.md.
If you have any questions, please contact the SIG: TC, and any of the maintainers: @myeuler, @hanjun-guo, @木得感情的openEuler机器人, @叶青龙, @陈棋德, @Ronnie_Jiang, @hjimmy, @Charlie_Li, @ZhiGang, @biannm.

openEuler / community