Oh, sorry. I misinterpreted the problem. Looking at your photos again I can see the HP logo is only the correct aspect when the Ubuntu logo is too wide. And the HP logo is too narrow when the Ubuntu logo is the correct aspect.
This means the manufacturer has intentionally designed the HP boot logo for non-square pixels. Which supports the earlier observation that the machine is booting in a non-native resolution. As far as I can tell, this is not an explicit violation of the spec: https://uefi.org/htmlspecs/ACPI_Spec_6_4_html/05_ACPI_Software_Programming_Model/ACPI_Software_Programming_Model.html#boot- graphics-resource-table-bgrt But Microsoft's definition of the spec suggests that the field at offset 32 should be used to specify which graphics mode the BIOS logo requires to be displayed correctly: https://learn.microsoft.com/en-us/windows-hardware/drivers/bringup/boot- screen-components I'm not sure that's something Plymouth can or will support given it doesn't seem to be within the official spec. ** Summary changed: - Boot logo displayed in incorrect aspect ratio + Boot logo displayed in incorrect aspect ratio for laptops that boot at non-native resolution -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2085507 Title: Boot logo displayed in incorrect aspect ratio for laptops that boot at non-native resolution To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/plymouth/+bug/2085507/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs