I wanted to convert my encrypted Linuxmint 19 from GPT to MBR and therefore I did a search and found this: https://www.explorelinux.com/convert-a- ... mbr-linux/ and this: https://superuser.com/questions/1011942 ... gpt-to-mbr
I issued the commands
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sudo gdisk /dev/sdb
After this the output became like this:
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user@host:~$ sudo gdisk /dev/sdb
GPT fdisk (gdisk) version 1.0.3
Partition table scan:
MBR: MBR only
BSD: not present
APM: not present
GPT: not present
***************************************************************
Found invalid GPT and valid MBR; converting MBR to GPT format
in memory. THIS OPERATION IS POTENTIALLY DESTRUCTIVE! Exit by
typing 'q' if you don't want to convert your MBR partitions
to GPT format!
***************************************************************
Command (? for help): q
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user@host:~$ sudo fdisk -l /dev/sdb
Disk /dev/sdb: 119,2 GiB, 128035676160 bytes, 250069680 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x478f0f9c
Eszköz Indítható Start Vége Szektorok Size Id Típus
/dev/sdb1 2048 1050623 1048576 512M ef EFI (FAT-12/16/32)
/dev/sdb2 1050624 2549759 1499136 732M 83 Linux
/dev/sdb3 2549760 250068991 247519232 118G 83 Linux
Did I misunderstood something? I wanted to switch back from UEFI to BIOS mode and use MBR instead of GPT. Was it not the thing I had to do to achieve it?