So, Next you need to install grub again for Ubuntu. So, when Windows boots, you won’t see the grub menu to choose Ubuntu. After successful installation the Windows bootloader replaces the grub.Select the NTFS Primary Partition(we have just created in Ubuntu 16.04).Once you provide Windows Activation Key, Choose “ Custom Installation“.
- Start Windows Installation from bootable DVD/USB stick.
- However, there are cases when something goes wrong (like in Unable to boot into Windows after installing Ubuntu, how to fix? or if you select a wrong partition to overwrite), so you won’t lose anything if you make a backup of the complete drive before Ubuntu installation. Yes, you should get the option in either way of dual-boot Ubuntu alongside Windows installation. Will I still get the option to load either Windows 10 or Ubuntu in the boot menu? More information: How to use manual partitioning during installation? You don’t need to create any additional partitions for Ubuntu 18.04. Format it as ext4 which is default in Ubuntu.
(You can check your partitions order in Windows Disk Management before installation.) Make the partition your root partition (mount point /). Since Ubuntu does not use the Windows drive names like F:, it’s up to you to choose it correctly. In the installer choose “Something else”, then select the F: drive. If the data can be fit into another partition, I would choose this option and get more space for Ubuntu while keeping some free space on the C: drive. I can move the files from F drive to any other drive for that matter. Reusing the F: driveĪlso, can I install Ubuntu in F drive which is of 180GB size. The installer may disable the “Install Ubuntu alongside Windows” option because the available space which it’s able to get is less than recommended. I want to have at least 20-25 GB for Ubuntu.Ģ5 GB is the required minimum for Ubuntu Desktop. You might get better results when processing a Windows drive with a Windows tool.
You can also use the Disk Management app in Windows to shrink the disk. If this does not help, you can give SDelete ( download it from Microsoft) a try to fill the unused space with zeros, so it gets actually free to reclaim. You can try two methods to solve it: Defragment it in Windows, then shrink in Ubuntu installerīoot Windows and run defragmentation tool (“Disk Defragmenter” or “Defragment and Optimize Drives”) on the partition where you want to reuse the space (C: in your case). How can I increase the available shrink space of C drive? I am only getting 4440 MB available to shrink but I have 75 GB free! I want to install Ubuntu in C drive (which also has Windows 10) which has around 75GB free space out of 150GB.