This is my /proc/cmdline BOOT_IMAGE=(hd0,gpt2)/boot/vmlinuz-4.18.0-147.5.1.el8_1.x86_64 root=UUID=c1bef884-0180-4955-a669-c99a8c64f75a ro crashkernel=auto resume=UUID=0fe1a972-9912-4803-b5ec-265a13a888c1 biosdevname=0 net.ifnames=0 rhgb quiet rd.driver. blacklist=nouveau nomodeset nouveau.modeset=0 acpi_backlight=vendor "acpi_osi=!Windows 2013" "acpi_osi=!Windows 2012" Jerry