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For a few years I created a backup of one partition of my old HDD. I also created a backup of MBR of the HDD. The partition list of the HDD was as following:

Device     Boot    Start       End   Sectors   Size Id Type
/dev/sdb1             63     80324     80262  39,2M  6 FAT16
/dev/sdb2          81920  25767935  25686016  12,3G  7 HPFS/NTFS/exFAT
/dev/sdb3  *    25767936 756236685 730468750 348,3G  7 HPFS/NTFS/exFAT

The backup partition was the sdb3. It contains a windows 10 OS. Now I want restore this partition to a new SSD storage and setup a dual boot from existing Ubuntu 18.04. How I should perform?

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You can direct restore a raw disk image with dd or cat or unpack/mount the backup and copy files with rsync or whatever kind of backup you have. Then run update-grub it will find the new OS and automatically creates a entry in start menu

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  • provide more information for improved answer – alecxs Apr 29 '19 at 12:01
  • Meanwhile I fixed the problem restoring partition backup AND the MBR backup to the same HDD. What I learned is, Windows is bitchy regarding restoring a backup to another storage. This I noticed trying boot windows that ends up with error messages "error code: 0xc0000225 ... the boot configuration data for PC is missing or contain error..." and a prompt to use a recovery disk to. – Dimitri Apr 30 '19 at 8:32
  • to avoid this next time include MergeIDE.reg before backup (can be done afterward with WinPE too) – alecxs Apr 30 '19 at 9:09

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