Sector size (logical/physical): 512/4096 bytesĭisk identified (GUID): B8CE21AF-F666-9ADA-9B95B7FFACFD There, I entered 2 and got this: Disk /dev/sda: 1953525168 sectors, 931.5 GiB Which do you want to use? (Using the GPT MAY permit recover of GPT data.) You should repair the disk!įound valid MBR and corrupt GPT. Warning! Main partition table CRC mismatch! Loaded backup partition table instead of main partition table! Warning! Main and backup partition tables differ! Use the 'c' and 'e' options on the recovery & transformation menu to examine the two tables. Warning: Invalid CRC on main header data loaded backup partition table.
I tried sudo gdisk -l /dev/sda which gave the following output: GPT fdisk (gdisk) version 1.0.5Ĭaution: invalid main GPT header, but valid backup regenerating main header from backup! Through the terminal, I could not access any of my 'old' data (nothing under the home directory). Using an Ubuntu 20.04 bootable USB, I selected the " Try Ubuntu" option. But I would still love if I could at least access (retrieve or extract) whatever data is still there. I understand that (hopefully) part of the disk that was overwritten is not recoverable.
GDISK ISO INSTALL
Even when trying to re-install Ubuntu I get a " This computer currently has no detected operating systems" and the only option is to install the OS while wiping all data on the disk. When I restart the laptop, I get a " No bootable device found".
On Linux laptop, I mistakenly entered the wrong main HDD name in a dd command sudo dd if=/path/to/clonezilla-iso-file of=/dev/sda status=progress (clonezilla ISO file was 306 MB).
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