-
LINUX > réinstaller le boot loader
Le boot loader is a small program that loads the operating system into memory and starts it running. If the boot loader is corrupted or missing, this can cause boot problems in Linux Mint. Reinstalling the bootloader can fix this issue and get your system booting again.
To reinstall the bootloader, you must boot from a Linux Mint Live USB or CD/DVD
sudo fdisk -l Disque /dev/sda : 111,81 GiB, 120034123776 octets, 234441648 secteurs ... Périphérique Début Fin Secteurs Taille Type /dev/sda1 2048 1050623 1048576 512M Système EFI /dev/sda2 1050624 234440703 233390080 111,3G Système de fichiers Linux Disque /dev/sdi : 465,78 GiB, 500107862016 octets, 976773168 secteurs Disk model: 00LPCX-24C6HT0 Unités : secteur de 1 × 512 = 512 octets Taille de secteur (logique / physique) : 512 octets / 512 octets taille d'E/S (minimale / optimale) : 512 octets / 512 octets Type d'étiquette de disque : gpt Identifiant de disque : B6D8CABE-DB64-43C9-8DE5-85570E908B9E Périphérique Début Fin Secteurs Taille Type /dev/sdi1 2048 4095 2048 1M Amorçage BIOS /dev/sdi2 4096 1054719 1050624 513M Système EFI /dev/sdi3 1054720 976771071 975716352 465,3G Système de fichiers Linux
Next, mount the Linux Mint partition by entering the following command, replacing “sdaX” with the partition number you noted earlier:
sudo mount /dev/sdiX /mnt
Puis, on doit chroot into the Linux Mint installation :
sudo chroot /mnt
This will allow you to run commands as if you were booted into the Linux Mint installation.
Now, you can reinstall the boot loader by entering the following command:
For BIOS systems:
sudo grub-install /dev/sdi
For UEFI systems:
sudo grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=linuxmint --recheck --no-floppy
Once the installation is complete, update the grub configuration by entering the following command:
sudo update-grub
Exit the chroot environment by entering the following command:
exit
Unmount the partition by entering the following command:
sudo umount /mnt
Restart your computer and check if the boot problem has been resolved. Reinstalling the bootloader can be a complex process, so follow these steps carefully and make backups of your important data before proceeding.