Network UPS Tools
Power Devices support
Use a tool like balenaEtcher to write the .dmg file to your USB drive.
on the USB drive's EFI partition with one specific to your laptop/desktop generation (e.g., Ivy Bridge, Haswell, Skylake). USB Port Not Working : Try using a USB 2.0 port ra1nusb-intelnewrw4g.dmg
If you want, I can outline exact terminal commands to inspect the .dmg safely in a macOS VM, or help draft a checklist for verifying its integrity. Use a tool like balenaEtcher to write the