how to install ubuntu in the tianyi yun pc

1, 下载iso

https://mirrors.tuna.tsinghua.edu.cn/ubuntu-releases/24.04.4/ubuntu-24.04.4-desktop-amd64.iso

1.1 iso放到c盘的根目录

1.2 提取iso里面 casper/ 目录下面的两个文件（vmlinuz,initrd）放到c盘的根目录

2, download easybcd&install

https:/cloud.189.cn/web/share?code=u2Y3yuFJVney(访问码：5tqf)

2.1 download it and install it

2.2 configuration

add a new entry -> neogrub ( please click install first, and then click configure, it will open menu.lst file which located in the c:\NST

past the following content into the open file

title Install Ubuntu

root (hd0,0)

kernel (hd0,0)/vmlinuz boot=casper iso-scan/filename=/ubuntu-24.04.4-desktop-amd64.iso nomodeset

initrd(hd0,0)/initrd

hd0(0 is first hd)   ,0 ( first partition in this hd )
nomodeset  try to resolve gui issue during installation 

3, reboot

/win+r进入运行命令

shutdown /r /o /f /t 00