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I just got a new laptop from a friend and I'm decent with computers, however, I am a HUGE noob when it comes to Linux OS (besides backtrack (; ). I downloaded gparted, but there is no way that I am able to create a partition as they are all mounted and in use. Will I need to back up everything on this HDD and then wipe it in order to make a partition to dual boot Windows? I'd rather not go through all that trouble. I have a valid copy of Win7 Ultimate and I'd really like to have a nice laptop with a couple of decent OSes on it. Please help!!

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You need to run GParted from a LiveCD, so that the OS isn't mounting it's own partitions. –  Dillmo Jan 18 at 0:17
    
it was better to have a Gparted screenshot. –  Avinash Raj Jan 18 at 1:55

2 Answers 2

You can right-click on a partition with GParted, and select Unmount. From there, you should be able to shrink your partition. You probably won't need to make any backups, although backing up is still a good idea, especially when editing partitions (just in case something goes wrong).

Or, you can shrink the Windows partition from within Windows, by right-clicking on My Computer, select Storage from the pane on the right, and click Disk Management. Right-click the partition you want to shrink, and select Shrink Volume. From there, you can specify how many MB's you want to remove from the total size.

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thanks a lot for the quick response! the only problem is, when i select "unmount" it gives me this error: "The partition could not be unmounted from the following mount points: / Most likely other partitions are also mounted on these mount points. You are advised to unmount them manually." –  user237058 Jan 18 at 0:31
    
also, when i boot up my win7 disk in order to install it, it says that the partition is not big enough ): –  user237058 Jan 18 at 0:33

You can't unmount an in-use partition. It's sometimes possible to unmount a partition after you stop using it -- for instance, if you log out of a regular user account and log in as root, you can unmount /home. (Ubuntu doesn't give root a password by default, though, so doing this would require deviating from the accepted Ubuntu practice.) Most Ubuntu users also create a simple setup with just one or two Ubuntu filesystem partitions. This can make it difficult or impossible to resize partitions while the Ubuntu installation is in use.

As a practical matter, therefore, resizing Ubuntu partitions often requires booting an emergency disc/live CD. Your Ubuntu installer should do fine -- just select the option to "try before installing" (if I recall the phrasing correctly).

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Yeah I felt loke a big fool when it hit me tjat gpart was a BOOTABLE exe so I'm making a decently sized partition. I want to thank everyone for all the great help and quick responses! I think I found my community :) –  user237058 Jan 19 at 2:30

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