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If I install Ubuntu using the installation cd will that replace my Windows 7 OS entirely?

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marked as duplicate by Seth, karel, LiveWireBT, minerz029, Mitch Feb 14 at 9:03

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Only if you choose the option to replace Windows. If you install alongside Windows, all will be fine. –  minerz029 Feb 14 at 8:17

2 Answers 2

Make sure to backup any files from Windows 7 before any type of installation of Ubuntu.

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It depends according to the option you choose while installing Ubuntu.

  • If you choose "Erase full disk and install Ubuntu option",it will completely format your HDD nd install Ubuntu on it.

  • If you choose Install Ubuntu alongside windows option,the installer will erase all the partitions except your Windows C drive.

  • If you choose "Something Else" option,you will be allowed to select the partition on which Ubuntu is going to be installed.

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