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I shrank my /dev/sda1 using windows 7 partition program and I want to extend /dev/sda3 with that unallocated space. I know I have to use a live Ubuntu cd/usb and use gparted. But I can't seem to manage adding that space to /dev/sda3.

Can someone please help me?
gparted screenshot

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You can move the Windows /dev/sda2 partition to the left, from one of your installations or the live disk. You may want to do this from a Windows disk manager if it has the Windows bootloader in.

Then you can expand /dev/sda3 and then the /dev/sda5 to the left from the live disk.

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  1. First open Gparted.
  2. Now unmount the partition you want to resize.
  3. Right click on the partion and select resize.
  4. A popup with that partition will appear.
  5. Now drag the rectangle side into the unallocated space. 6.Click ok.
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The problem with that is you can't unmount the partitions the system is running off - i.e. /dev/sda3 & /dev/sda5, possibly /dev/sda6. – Wilf Feb 22 '14 at 19:10
Then boot in live mode using ubuntu disk or usb. – g_p Feb 22 '14 at 19:12
I booted in live mode and unmounted /dev/sda3 but I still cannot resize it with the unallocated space. – dNu Feb 23 '14 at 12:45
Sorry for not noticing one thing that unallocated space is not adjacent to /dev/sda3and you can't resize it untill unallocated is not between /dev/sda2 and /dev/sda3. So try to make space beetween them and then resize it. Here is a good tutorial which would be help full for – g_p Feb 23 '14 at 13:41

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