Zorin 17.3 Hangs After Login

Hello everyone,
I recently switched from Windows 10 to Zorin OS 17.3 Core. During installation, I had three Windows partitions:

*** C: (97 GB, contained Windows)**
*** D: and F: (movies and personal data – untouched)**

I deleted C: and created these partitions:

  • 8 GB Swap
  • 60 GB / (root)
  • 25 GB /home
    I reused the existing 115 MB EFI partition (did not format it) as I couldn’t resize it to 512 MB.

Zorin installed fine, but there’s a problem:
On the (User Account) login screen, when I enter my password, the screen and mouse freeze for a few seconds before jumping to the desktop. How can I fix this and make login smooth?

Thanks in advance!

I had similar things happen when I was using Wayland, but it wasn't enough for me to just change the gear icon to X11/Xorg (I think the login screen still used Wayland, which still caused flickering -- sometimes until I rebooted!)

So, edit a config file like so:
sudo nano /etc/gdm3/custom.conf

Then, uncomment [remove the # from] the line containing:
WaylandEnable=false

Save it and reboot.

I hope it helps!

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Thanks a lot! I edited the config file and disabled Wayland by setting WaylandEnable=false. Now the system doesn't freeze the mouse anymore—just shows a black screen for 2–3 seconds before logging in. Much smoother than before

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Welcome to the Forum!

When You deleted Windows, do You have deleted the Windows Boot Stuff in the EFI Partition?

During installation, I did not delete or format the EFI partition — I reused it as-is (it was around 115 MB) without making any changes. I wasn’t sure if deleting the Windows boot entries would affect anything, especially in case I wanted to reinstall Windows later. Could that be causing the slight delay or black screen after login?

These are quite small. If using Snap or Flatpak packages, that /var directory will fill swiftly, causing you headaches, later.

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You can do that in Zorin. Here is a Description with Pictures:

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