I can't install 7, but the USB flash drive doesn't respond when it is plugged in. I drew 1 directly, and the first and third options could not verify the digital signature of this file, so I downloaded it. U disk installation system steps:

1. Tools: USB flash drive with appropriate size, Chinese cabbage USB flash drive making tool, system image file;

2. Install the Chinese cabbage U disk making tool on the computer, plug in the U disk, and make the startup U disk;

3. Copy the system image file to the USB flash drive;

4. Start the computer with the Chinese cabbage USB flash drive and enter the Chinese cabbage WINPE system;

5. According to the type of the system, select the corresponding tools in WINPE to install the system.

Chinese cabbage U disk startup disk making tool: www.bigbaicai.com