deepin Did you ever install other Linux OS ? Like Ubuntu ? If so, and you have removed other OS totally, you can just delete other OS efi files under /boot/efi/, you may find Ubuntu directory.
deepin I tried to remove them as you suggested but the minute I restart my PC the return.
deepin I tried to remove them as you suggested but the minute I restart my PC the return.
Would you please show some screenshots or take photos?
What's the structure of /boot/efi ? Copy and paste the result of
中文 
sudo tree -L 3 /boot/efiThen what's your bios boot menu looks like ? You can take photos to show this.
deepin Did you ever install other Linux OS ? Like Ubuntu ? If so, and you have removed other OS totally, you can just delete other OS efi files under /boot/efi/, you may find Ubuntu directory.
After a clear install, it also create three entries.
deepin 我这边也有同样的问题，efi分区中有ubuntu和uos或者deepin目录，
删除ubuntu、uos目录，只保留deepin目录，启动引导失败。
手动引导进入系统修复grub，此时efi分区中只有deepin目录，重启还是引导失败。
之后拷贝deepin目录到ubuntu目录，bios设置ubuntu，启动引导成功。
这是个遗留bug吧！
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