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I'm a newbie Ubuntu user, and I was using a latest Ubuntu version on my laptop.

I tried to install Windows7 alongside the Ubuntu I was using

I did,

  1. I used Gparted from Ubuntu live CD to modify partition.
  2. I resized(reduced) the size of the partition with Ubuntu OS in it.
  3. After such modification, I am unable to boot Ubuntu - (I suppose my laptop can't access the disk with Ubuntu OS.

(* I didn't installed windows on NTFS yet!, however such problem occured.)

A.B.
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Seung
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2 Answers2

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When you install Windows after you installed ubuntu then Windows installs his own boot manager which will boot windows only. You can fix it with booting from a Linux Live DVD/USB and then reinstall Grub.

Andree Wille
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OPs answer.

It seems like I have deleted the bios boot partition by mistake.(I realized this fact only after executing "boot-repair". ) and I created the partition - and followed the "boot repair" instructions. This worked fined for me. I found this to be very relevant as well .

How to resolve the "GPT detected. Please create a BIOS-Boot partition" error when using boot-repair?

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Pilot6
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