Installing UBUNTU on a PC with win 8 and win 7 and just remove win 8 [closed]
i have a PC with win 7 and win 8 consumer preview, i downloaded UBUNTU 12 and want to replace win 8 by Ubuntu without removing win 7 and erasing my hard disk and i also don't have any option to backup....pls help....
First: Backup your data from Windows 8 partition if needed.
Don't worry. Windows 7 will be intact if you take care while installing Ubuntu.
To remove Windows 8 refer to this and this.
If not not deleted the Windows 8 partition then from your Windows 7 OS, delete the Windows 8 partition through Disk Management, which can be brought up by right-clicking the My Computer icon. Reboot to see and confirm the changes.
Now with a live CD or live USB flash drive of Ubuntu 12.04, you are ready to go.
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Boot from the live CD or live USB drive. Use the Try before Install option, or if you want to install directly then choose Install option.
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Proceed with installation steps. Select the first default option Install Ubuntu alongside Windows 7 for ease of installation. (sorry for the wrong optioned screenshot).
Then at the Partition table, select the Free space or Unallocated space.
--Select the Add option and then allocate the desired Space for root / and swap partitions in ext4 format [search or refer to Ubuntu Guide for the minimum and your RAM based swap space requirement, or you can also select the Something else option for manual partitioning. If you want different partitions for /home, /boot, etc. you can allocate them in the same way.
-- Then select the appropriate drive at the Grub Bootloader Installation option, if there's only a single hard drive then most probably it will be sda . And it's done.
You can refer further to the Official Windows Dual Boot wiki.