I had a system with a dual boot of Windows 8.1 and Ubuntu 13. I deleted the Ubuntu partition in Disk Management in Windows, and then this problem occurred. My problem is that I can't access or boot from CD or USB, which I think is because of Windows 8.1.

Do you have any tips on how to fix it?


You deleted the partition with the boot flag.

  • Boot with Ubuntu LiveCD or LiveUSB.
  • Open Gparted, look for the windows partition.
  • Right click on it and select manage flags.
  • Select boot.
  • Apply all changes and exit gparted
  • Restart PC
  • This worked for me, although the OP did specify not being able to boot from CD/USB. – Milo P Oct 7 '14 at 17:11
  • It just corrupted my windows too! :( Btw, I was able to recover windows by repeating it once again. – Mostafiz Rahman Jan 22 '15 at 16:36

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