You need to separate a disk under Windows first and delete it. Then you can see the deleted disk when you install Ubuntu, and you can install the Ubuntu system on this disk.
I solved this problem. The main reason is the restrictions on files under dual systems. The solution is as follows: enter the win system, turn on power management, change the quick startup item, and select close. I'll reply when it's done. First time answering question
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
This question seems to be on the Ubuntu Chinese forum, you can search the forum
The screenshot should be complete, not all of it. Then you can try to divide a part of the hard disk as unallocated under win.
You need to separate a disk under Windows first and delete it. Then you can see the deleted disk when you install Ubuntu, and you can install the Ubuntu system on this disk.
I solved this problem. The main reason is the restrictions on files under dual systems. The solution is as follows: enter the win system, turn on power management, change the quick startup item, and select close. I'll reply when it's done. First time answering question