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I have a Window 10 installed on a SSD, and previously there was also the Ubuntu 18.04 dual boot in the same SSD. I formatted the Ubuntu 18.04 partition, and hoping to do a fresh install of the new ubuntu 20.04.

However, I am stuck during the installation, right after picking the partition for root and for /home, I have tried many times, sometimes it's "Removing Conflicting Operating System Files", sometimes it's "Creating ext4 for /home", and there is really something loading, but it takes forever (4 - 5 hours) for it to run and still not finishing...

The only unusual thing I have noticed is that during the installation Ubuntu did not recognize I have the Windows 10 OS installed. I looked online and ran the error checking on C:, then do the chkdsk cmd on C:, but the installation still could not detect the win10 OS.

I have also tried disabling fast boot of windows 10, removing the Virtual machines which have dynamic memory enabled and all the corresponding files, but none of them work. I have also tried to install Kubuntu, but similar problem appears.

I now have 3 live USBs, 2 with Ubuntu 20.04 from different downloads, and 1 with Kubuntu. Please help.

Thanks.

There is an error message saying that "the attempt to mount a filesystem with type vfat in SCSI3 (0,0,0), partition #1 (SDA) at /boot/efi failed" , right after I have performed the partitioning, there are 2 options , go back to the partition table or continue, and I clicked continue.

pkdc
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  • Did Windows update & turn fast start up back on. It does that with updates. http://askubuntu.com/questions/843153/ubuntu-16-showing-windows-10-partitions & https://askubuntu.com/questions/145902/unable-to-mount-windows-ntfs-filesystem-due-to-hibernation Then Linux NTFS driver cannot see NTFS. Or did you do an UEFI update, perhaps with Windows update and it reset drives to Intel RST or RAID from required AHCI? – oldfred Apr 25 '20 at 02:38
  • I have checked, the fast start-up is off. Do you mean I should follow this to ensure the drives are set to AHCI? https://support.thinkcritical.com/kb/articles/switch-windows-10-from-raid-ide-to-ahci – pkdc Apr 25 '20 at 11:40
  • Looks similar to these: https://askubuntu.com/questions/1148120/ubuntu-18-0x-not-detecting-windows-ssd-during-installation & https://askubuntu.com/questions/963087/install-dual-boot-ubuntu-with-windows-10-and-raid-on#963100 – oldfred Apr 25 '20 at 14:10
  • I've tried method 2, but my SSD is already setted as AHCI mode in my UFEI – pkdc Apr 25 '20 at 15:55
  • I have added another possible error in my post – pkdc Apr 25 '20 at 16:06
  • Have you updated UEFI and SSD firmware. Many systems need that. Some also have corrupted vfat partition. Either from Windows run chkdsk or from Linux run this: Must be unmounted sudo dosfsck -t -a -w /dev/sda1 – oldfred Apr 25 '20 at 16:40
  • I have bought another SSD and it can be installed on it. Thanks for the answers! – pkdc Apr 27 '20 at 23:48
  • @pkdc That is no way to close a question. But I think your problem is you selected the Legacy BIOS USB option. Did you make sure you chose the USB that says UEFI- in front of it? – VidathD Jun 20 '20 at 02:16

2 Answers2

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You need to boot up from graphical safe mode. It is a graphical problem at this time. You should try under the ubuntu (graphic safe) option . It will work fine i tried so much laptops but its stuck. But graphical safe mode will solve everything

Anhbaysgalan D
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    Your awnser was the only one that worked for me. I was trying to install ubuntu 20.04 to my new lenovo legion laptop and the installation was always stuck at different points(e.g. keyboard layout,wifi etc). After i selected Ubuntu(safe graphics) it worked like a charm. – Alator Dec 05 '20 at 14:55
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I solved this today using Xubuntu 22.04 by disconnecting all SATA drives except the one I was installing to. I have had to do this before with Ubuntu. It's crazy that this bug is still affecting the system.

I have 2 SSDs, 2 HDDs, and the NVME where I install the OS. Some of the drives have more than one partition, like the Windows 10 drive. I use EXT4 and NTFS on my system.

I installed, then shut down to reconnect all the drives, then I'll start the system and add each partition using Gnome Disk which should update fstab.

Joel Monterrey
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