I deleted 2 partitions from Windows 8 disk manager. It turned out one of them is the grub partition. Now the laptop directly goes to grub rescue mode. I used F12 to select the system I want to boot into, but all ended up in grub rescue. The ubuntu installation CD does not help either. Does anyone have any idea to resolve this problem?
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You can use Boot Repair
Just boot from the Ubuntu LiveCD, and once it boots up, just press Ctrl+Alt+T on your keyboard to open Terminal. When it opens, run the command(s) below:
sudo add-apt-repository ppa:yannubuntu/boot-repair
sudo apt-get update
sudo apt-get install -y boot-repair && boot-repair
Run Boot Repair once the installation is done.
Source:Boot Repair
Mitch
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Thank you. I was able to boot repair grub. But now I only see windows 8. My ubuntu partition is still there(29.2GB), but I have no way to boot into it. Do you have any idea? I don't want to lose everything in there – user2390930 Aug 16 '13 at 18:50
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You can still use Boot Repair for that. See the website. – Mitch Aug 16 '13 at 18:52
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Sorry I don't totally understand. I used "recommended repair" option and only windows was repaired. What do I need to select in boot-repair to detect the ubuntu system? Or the ubuntu system is already damaged? – user2390930 Aug 16 '13 at 19:01
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I'm researching, and will let you know. In the meantime, take a look at the Advanced Options. Also take a look at this. – Mitch Aug 16 '13 at 19:09
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I can't even see the files in ubuntu system. The whole partition is empty now. Does this mean that the information is gone? – user2390930 Aug 16 '13 at 19:41
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Are you using the LiveCD to view the contents? – Mitch Aug 16 '13 at 19:42
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Yes. The liveCD can't see anything – user2390930 Aug 16 '13 at 19:46
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let us continue this discussion in chat – Mitch Aug 16 '13 at 19:46