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I accidentaly deleted sda1 of my ubuntu sda system

fo flag
gkk

Can I restore efi system partition sda1 and if so how? I tried making my own partition in gparted but it was miskonfigured

PonJar avatar
in flag
You can fix this by a reinstall of Ubuntu if you follow the process described here: https://askubuntu.com/questions/1395018/reinstall-ubuntu-mate-21-10-without-losing-data Read the answer by @guiverc. Note that your data is a risk with this kind of process if you make a mistake so make a backup of any data you cannot afford to lose.
guiverc avatar
cn flag
I'd suggest providing details of what you created in SDA1 and what partition you were trying to create. We've been provided with no meaningful details as to what SDA1 contained; thus currently can't really provide any meaningful advice (*in my view anyway*) given I have systems here where SDA1 is my primary partition, others were its a ESP, others where its ... etc.
PonJar avatar
in flag
The advice I offered above assumes what you mean by “ efi system partition sda1” is that it is the small FAT32 partition sometimes called an ESP partition as per this Wikipedia entry : https://en.wikipedia.org/wiki/EFI_system_partition If it’s not that type of partition don’t follow the process referenced in my first comment above
karel avatar
sa flag
Does this answer your question? [How can I repair grub? (How to get Ubuntu back after installing Windows?)](https://askubuntu.com/questions/88384/how-can-i-repair-grub-how-to-get-ubuntu-back-after-installing-windows)
oldfred avatar
cn flag
If you create a new ESP - efi system partition, you also need to update the entry in fstab with the new UEFI. `lsblk -e 7 -o name,fstype,size,fsused,label,partlabel,mountpoint,uuid,partuuid` and `cat /etc/fstab` then you can use Boot-Repair's advanced mode for full reinstall of grub & kernel or chroot & manually reinstall grub. https://help.ubuntu.com/community/Boot-Repair & https://sourceforge.net/p/boot-repair/home/Home/
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