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I accidentally delete my HDD partition which i used for ubuntu (dual booth) , i recovered using aomei partition which said that the file are restored in the previous partition in disk management

here the data is recovered in 71.88 RAW

enter image description here

but i cant access the GNU grub when i try to start the computer, which I usually can choose to open windows or ubuntu by pressing F6 . my question are:

do i have to reinstall ubuntu again?

do i have to make live USB ubuntu again?

do i only need to repair the grub ?

do I have to try to install Ubuntu and be able to dual boot alongside windows?

Devina Muljono
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  • Looks like older BIOS/MBR version. Windows BIOS/MBR often "forgets" Linux partitions when it updates partition table. RAW means a NTFS partition is not formatted or it lost format. Often you can restore PBR from a backup & then run chkdsk. Parted rescue seems easier than testdisk https://askubuntu.com/questions/665445/upgraded-to-windows-10-on-dual-boot-and-cant-boot-to-ubuntu-partition & https://askubuntu.com/questions/655290/grub-is-not-letting-me-switch-to-windows-8-dual-boot-process-ubuntu-15-04/655486#655486 – oldfred Feb 09 '21 at 20:01

1 Answers1

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I would try the following:

  1. in Windows, download Ubuntu image (e.g., Bionic Beaver 18.04.5);
  2. burn it to a blank USB, I would use Rufus for that;
  3. check that all your hard drives are connected as they should be;
  4. boot from the Ubuntu USB (for that, change BIOS options or press keys at boot as necessary);
  5. check that you have Internet access in Ubuntu;
  6. install Boot-Repair, 2nd option from Terminal:
sudo add-apt-repository ppa:yannubuntu/boot-repair
sudo apt-get update
sudo apt-get install -y boot-repair && boot-repair
  1. run Recommended Repair when prompted;
  2. read messages carefully and press Enter to confirm your choices;
  3. get to the end, note the URL (paste.ubuntu.com/XXXXX) just in case;
  4. reboot, it should resolve you problems;
  5. if not, please post the URL in the comments;
  6. for the future, try to have Ubuntu live boot USB by your side.

Good luck!

Maksym Voznyy
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