相关：
https://help.ubuntu.com/community/Boot-Repair
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Grub修复：
Boot-Repair：
sudo add-apt-repository ppa:yannubuntu/boot-repair && sudo apt update
sudo apt install -y boot-repair && boot-repair
标签：双系统,修复,grub,repair,boot,apt,ubuntu From： https://www.cnblogs.com/devilmaycry812839668/p/17321368.html