This is one of the most common hurdles when moving from standard Linux distributions to MikroTik’s proprietary installation environment. It usually happens when the installer cannot locate the installation media it expects, or when the underlying hardware detection fails.
This error stops the boot process immediately. The machine refuses to proceed, locked in a loop of failed expectations. For many administrators, this message is confusing because you are not even using a CD-ROM. fatal error no cd rom found mikrotik full
Your hardware is too new. The legacy kernel lacks drivers for your motherboard chipset. Abandon the ISO and use the from Part 4. This is one of the most common hurdles