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I just installed Ubuntu 11.04 on my Netbook. I had to use a flash key and during the installation i tried putting Ubuntu on a separate partition, but it kept showing a no root file system is defined error.

I didn't really know what i could do to fix it, so i decided to install it alongside Windows. I have a windows7 installation, which works perfectly fine. So the installation goes through perfectly and i give both OS's 40 Gigs of space. The comp restarts and NOTHING!

The computer boots directly into Windows. During the install it said i am supposed to be prompted at boot, and nothing happened. Ubuntu partitioned the C: drive, but this partition doesn't show up in Windows. If i boot using the flash drive, it shows the partition with the Ubuntu installation. I tried reinstalling, but now i don't get the prompt to asking me to install Ubuntu.

Really confused ..

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up vote 1 down vote accepted

It sounds like you have two disk drives and the boot loader was installed to the wrong drive. Either tell your BIOS to boot from the other drive, or reinstall, and make sure you direct grub to the correct drive.

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