我的网络有问题，他显示一直在上传中
Try uploading https://imgur.com/upload, maybe it will work better
它显示的内容就是账号 root
密码
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Then your only chance is to chroot and try to find the problem.
Use the installer media.
Read wiki for how-to.
even after reboot ?
**do you have some own startup scripts that could be failing? in this case faillock --reset would help!
I also suggest to make sure your computer pickups the right keyboard and language setting, had that happening to me yesterday when I was trying to change settings post install things got messy but I fixed it 
. Chroot is your friend, the post above is very helpful…
https://wiki.archlinux.org/title/Linux_console/Keyboard_configuration
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yes，thank you very much