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I am a beginner in Ubuntu, so please help me to solve this problem. I bought a new laptop with a hard disk of 500 GB. First I installed windows 7 and allocated 400 GB for that. Now I installed Ubuntu using the windows installer with a USB pen drive in the 100 GB left for that. It worked perfectly. But I faced a problem when I reinstalled my Windows 7 OS. I am now unable to get the dual boot process back. I tried to re-install Ubuntu, too. But when I tried to do that using the windows installer, I am not able to find the partitioned space of 100 GB already containing Ubuntu OS. It shows only the space wich is allocated for Windows.

This is my problem. Now what should I do to get the dual boot back?

Adaephon
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user260124
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1 Answers1

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I recommend you start by checking if you still have your Ubuntu installation on disk (as suggested by Jacob). You may have overwritten that when you re-installed Windows.

To verify, please boot either to Ubuntu Live CD or Live USB and run gparted. This will show you the partitions you have on your disk. You can see an example on this page with both NTFS (Windows) and ext3 / ext4 (Linux) partitions.

If you still have your Ubuntu partition, you can use boot repair to restore your dual boot configuration (Ubuntu bootloader).

Community
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Eero Aaltonen
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