: Modern storage controllers use AHCI or NVMe modes. The older RouterOS installer environments often fail to recognize these, expecting legacy IDE controllers instead.
Ensure the CD/DVD drive is set to IDE . If it is set to SCSI, the installer often fails to find it. VirtualBox: Use the PIIX4 controller for the storage tree. Connection at Power On
Choose your destination storage drive inside Netinstall, browse to your downloaded .npk package directory, and click . "FATAL ERROR: no CD-ROM found" during installation
Particularly problematic setups include systems with eMMC disks or SATA controllers set to AHCI mode. fatal error no cd rom found mikrotik full
This is a clever workaround if you have another working computer or a virtual machine available.
Make sure the virtual ISO is connected to an IDE controller, not SCSI or SATA.
The screen flashed.
Change the value from or RAID to IDE (sometimes labeled as Legacy or Compatibility mode).
Select the USB drive as the primary boot choice to complete the installation without encountering the CD-ROM scan. Solution 2: Deploy Remotely via Netinstall
Prerequisites
After the write is complete, remove the drive and install it into your target PC. When you boot the PC, RouterOS should start without any CD-ROM error.
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