The "Fatal Error: No CD-ROM Found" in MikroTik is rarely a hardware failure; it is a driver compatibility issue. In 90% of cases, moving the USB drive to a USB 2.0 port or changing the storage controller mode in the BIOS from RAID to AHCI resolves the issue immediately. If installing on a Virtual Machine, strictly using the IDE controller for the installation media is the definitive fix.
: Enter your BIOS and set the SATA mode to Legacy or IDE rather than AHCI/RAID. fatal error no cd rom found mikrotik full
Remove the USB drive. Your server will boot directly into MikroTik RouterOS CHR. It will ask for a login (admin, blank password). The "Fatal Error: No CD-ROM Found" in MikroTik
MikroTik RouterOS, especially older versions (v6.x), has limited support for modern AHCI controllers. Enter your motherboard BIOS/UEFI. Locate the or Storage Mode . Change the mode from AHCI to IDE or Legacy . Save and reboot the installer. Use a Different USB Port : Enter your BIOS and set the SATA
