“Installtion step failed
an installation step failed. You can try to run the failing item again from the menu, or skip it an choose something else. The failing step is Detect and Mount CD-ROM”
So, how to fix it.
Download and install Win32 Disk Imager
Download Kali Linux iso image file
Run Win32 Disk Imager
Choose your usb device and your kali linux iso image file, click Open
Done! Now, you can install Kali Linux without see “Detect and Mount CD-ROM” error.