grub2 system setup bios

• grub menu lose system setup - 搜索
• [grub2 - GRUB disappeared from Boot Menu after UEFI (BIOS) upgrade on Thinkpad X1 Carbon gen5 - Unix & Linux Stack Exchange]( https://unix.stackexchange.com/questions/473157/grub-disappeared-from-boot-menu-after-uefi-bios-upgrade-on-thinkpad-x1-carbon#:~:text=Settings -> Update %26 Security -> Recovery -> ,to%20the%20boot%20tab%20to%20change%20boot%20priority.)
• grub2有进入bios的命令吗？ - GRUB2 - 无忧启动论坛 - Powered by Discuz!
• [双启动 grub 加载器“系统设置”选项破坏了一切 - 问 Ubuntu]( https://askubuntu.com/questions/1199066/dual-boot-grub-loader-system-setup-option-broke-everything#:~:text=It is because Grub does not include a ,Find%20following%3A%20GRUB_DEFAULT%3D0%20Replace%20it%20with%20following%20GRUB_DEFAULT%3Dsaved)
• win10+ubuntu双系统无法进入ubuntu，bios设置修复grub_进不去unbuntu系统一直进bios-CSDN博客
• 详解Linux开机流程：BIOS->MBR->GRUB-&gt等等。。。 - 知乎
• grub-bios-setup: set up a device to boot using GRUB - Linux Manuals (8)
• 「GRUB」- 在BIOS系统上的GRUB引导 @20210311 - 研究林纳斯写的 - 博客园
• 如何删除或隐藏grub中的选项？ - 知乎
• 「GRUB」- 在BIOS系统上的GRUB引导 @20210311 - 研究林纳斯写的 - 博客园
• GNU GRUB Manual 2.06: BIOS installation