This question already has an answer here:

Mistakenly, I lost a partition by disk initializing in Win10.

How can I recover it?

The former:

  • sector size(logical/physical): 512B/4096B
  • partition table: gpt
  • start: 1049kb, end: 4001GB
  • file system: ext4

The latter:

  • sector size(logical/physical): i don't know it.
  • partition table: gpt

    Number  Start (sector)    End (sector)  Size       Code  Name
       1              34          262177   128.0 MiB   0C01  Microsoft reserved part

Just the initializing was done.

marked as duplicate by karel, Pilot6, David Foerster, Kevin Bowen, Eric Carvalho Jan 12 '17 at 19:46

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

  • Install testdisk in either Windows or Linux and run int on your disk. Ask any questions here if you are unsure what to do. – WinEunuuchs2Unix Jan 11 '17 at 4:56
  • Could you please explain how your question relates to Ubuntu? Otherwise it’s off topic on AskUbuntu. Instead your question may fit on Super User. – David Foerster Jan 12 '17 at 9:35

if you haven't write anything to that partition, try partition recovery in AOMEI Partition Assistant. I formatted my d drive once and get it back with this software.

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