This error typically occurs when trying to install MikroTik RouterOS (x86) on physical hardware or a virtual machine (VM) because the installer cannot find the installation media (the ISO) after the initial boot phase. Why This Happens

If you have another computer available:

The error is almost exclusively caused by one of three scenarios:

Ensure the CD/DVD Drive ( ide2 ) is configured natively as an device.

The terminal cleared.

If you are deploying RouterOS as a Cloud Hosted Router (CHR) or x86 instance inside a hypervisor, you must match the virtual hardware to what RouterOS expects. Edit the virtual machine settings. Remove the existing CD-ROM and Hard Disk. Add a new IDE Controller . Re-add the Hard Disk and assign it to IDE 0:0 .