Connect your PC directly to the first ethernet port ( ether1 ) of the target machine using an ethernet cable.

Reboot your computer and press the designated key (usually F2 , F10 , F12 , or Del ) to enter the .

If you are committed to using physical media, consider these steps reported by users: "FATAL ERROR: no CD-ROM found" during installation

Every boot resulted in "fatal error no cd rom found mikrotik full."

: Ensure you disable all other network interfaces and firewalls on your PC before starting. 2. Use the "Install Image" (.img) instead of ISO

If you are seeing this, you are not alone. This article dissects exactly why this error occurs on modern hardware, what the "full" installation means, and offers a step-by-step guide to bypass, fix, and permanently resolve this issue.

If you are installing RouterOS on a standard computer (e.g., an old desktop, a mini PC like an Intel NUC, or an industrial PC):

If you see the fatal CD-ROM error, .