标签归档:win10

windows 10 更新后恢复 manjaro 引导菜单

针对 manjaro ,但理论上适用于大多数 linux 系统。

先用 live 启动盘引导进入系统,按如下操作进行。

[manjaro@manjaro ~]$ lsblk -f
NAME       FSTYPE   FSVER            LABEL           UUID                                 FSAVAIL FSUSE% MOUNTPOINT
loop0      squashfs 4.0                                                                         0   100% /run/miso/sfs/livefs
loop1      squashfs 4.0                                                                         0   100% /run/miso/sfs/mhwdfs
loop2      squashfs 4.0                                                                         0   100% /run/miso/sfs/desktopfs
loop3      squashfs 4.0                                                                         0   100% /run/miso/sfs/rootfs
sda
├─sda1     vfat     FAT32                            4A57-1A41
├─sda2     ext4     1.0                              5a7f0113-2ab5-4a25-98a3-358be7bbd046
├─sda3     ext4     1.0                              652bd7bc-3c24-4179-899a-46695bdea7ae
├─sda4     ext4     1.0                              2b250d50-80b3-4793-b886-6a3195f0c0a4
├─sda5     ntfs                                      DA18EBFA09C1B27D
├─sda6     ntfs                                      D47AD6687AD646C0
└─sda7     swap     1                                28f96a74-9308-4885-a65b-dc2f6bed4fa5
[manjaro@manjaro ~]$ sudo -i
[manjaro ~]# mount /dev/sda4 /mnt/
[manjaro ~]# mount /dev/sda1 /mnt/boot/
efi/                                initramfs-5.10-x86_64-fallback.img  intel-ucode.img                     memtest86+/
grub/                               initramfs-5.10-x86_64.img           linux510-x86_64.kver                vmlinuz-5.10-x86_64
[manjaro ~]# mount /dev/sda1 /mnt/boot/efi/
[manjaro ~]# cd /mnt/
[manjaro mnt]# mount -t proc proc /mnt/proc
[manjaro mnt]# mount -t sysfs sys /mnt/sys
[manjaro mnt]# mount -o bind /dev /mnt/dev
[manjaro mnt]# mount -t devpts pts /mnt/dev/pts
[manjaro mnt]# modprobe efivarfs
[manjaro mnt]# chroot /mnt/
[manjaro /]# mount -t efivarfs efivarfs /sys/firmware/efi/efivars
[manjaro /]# grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=manjaro --recheck
Installing for x86_64-efi platform.
Installation finished. No error reported.
[manjaro /]# update-grub
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-5.10-x86_64
Found initrd image: /boot/intel-ucode.img /boot/initramfs-5.10-x86_64.img
Found initrd fallback image: /boot/initramfs-5.10-x86_64-fallback.img
Warning: os-prober will be executed to detect other bootable partitions.
It's output will be used to detect bootable binaries on them and create new boot entries.
Found Linux Mint 20.1 Ulyssa (20.1) on /dev/sda2
Adding boot menu entry for UEFI Firmware Settings ...
Found memtest86+ image: /boot/memtest86+/memtest.bin
done
[manjaro /]#