The error originates in the RouterOS boot script /etc/rc.d/rc.sysinit (within the initrd). The installer checks for:
Change the CD-ROM and Hard Disk bus from VirtIO to SATA or IDE . fatal error no cd rom found mikrotik full
The error usually occurs during the installation of MikroTik RouterOS on x86 hardware when the installer cannot find a compatible IDE CD-ROM drive or when modern SATA/USB controllers are not recognized by older RouterOS kernels. Immediate Solutions "FATAL ERROR: no CD-ROM found" during installation The error originates in the RouterOS boot script /etc/rc
: The installer frequently fails to recognize SATA controllers in AHCI or RAID mode. fatal error no cd rom found mikrotik full