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I'm new to linux and am interested in learning it so I installed ubuntu 12.10 yesterday. Installation went smoothly and I chose "install alongside windows" option and I set about 50 gb using that slider and I thought I used 50 gb from c: drive but to my shock it used 50 gb space from f: drive. This was my first shock.

When I restarted and tried to log into windows, nothing happened except a black screen appeared saying "To restart press alt+ctrl+delete" but even pressing that it wont restart. No matter how many times I try rebooting, windows is not booting; same black screen saying restart appears. But I can log in to ubuntu and I can see that windows c: drive is fine.

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Perhaps it might be helpful if you can copy and paste: 1) the grub menu entry for Windows 7 in file /boot/grub/grub.cfg 2) the UUID list of your drives, i.e. the output of this terminal command: ls -l /dev/disk/by-uuid Also indicating which is your Windows drive (e.g. sda1, sda2, etc.) – Sadi Dec 9 '12 at 15:45

Just in case grub was not configured properly, try updating the grub boot menu. Open a terminal window and type the command

sudo update-grub

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Thanks for the tip! but I already tried that its not working – jAke Dec 9 '12 at 8:00

Be careful when organizing/resizing partitions during installation, may be your partition table changed and windows7 bootloader now pointing to a partition without windows.

Boot with Widnows 7 installation disc and make startup repair.

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I recovered windows 7 using the bootrec.exe /FixBoot and installed EasyBCD to dual boot. Its fixed now :) Thanks for the help guys!! – jAke Dec 14 '12 at 19:06

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