If you are trying to install the "full" version, the official, error-proof method is . This bypasses the CD-ROM requirement entirely.
: If booting from a USB drive, use a USB 2.0 port rather than USB 3.0, as older RouterOS kernels may lack USB 3.0 drivers during the initial boot phase. Alternative Installation Methods fatal error no cd rom found mikrotik full
If the CD-ROM method refuses to work despite BIOS changes, the professional standard is to use . This is the most reliable way to install RouterOS. If you are trying to install the "full"
Change the storage controller setting in your BIOS to or "Legacy Mode" . fatal error no cd rom found mikrotik full
: Plug your installation thumb drive into a USB 2.0 port . The installer may lack drivers for newer USB 3.0/3.1 controllers. The Netinstall Alternative (Recommended)
lsblk
