Chemotion

Hey im attempting my first install on my hp laptop . I keep getting stuck on boot. All it does is show **********************************. I have made sure to use the correct configs but no hope. any help would be appreciated Added in 11 minutes 58 seconds: Hey im trying to install catalina on my laptop using this guide . However whenever i go to boot into macos from my usb it displays ***************************. It gets stuck on boot and freezes. Any ideas?