i have one workstation with below specification. i can not install Lubuntu 19.04 on it BUT i can install Ubuntu 19.04 .
CPU : DUAL CPU (Gold 6140 XEON)
Motherboard : ws c621e sage Asus
Graphic Card: AMD RX580
when boot on Bootable usb and select install Lubuntu : i do not have any feedback
when boot on Bootable usb and select install Lubuntu when set nomodeset in Grub : system boot but hang in middle of boot and stop