Why does this happen? Because your standard backup is hardware-locked to the old HAL (Hardware Abstraction Layer), storage controllers, and chipset drivers.
You cannot legally download a generic ISO from a third-party site. Instead, you generate a custom bootable ISO using your licensed Acronis software. To get that ISO onto a USB drive or CD, follow these steps. You will need a valid Acronis license that includes the Universal Restore add-on. Download Acronis Universal Restore Iso
Acronis does not distribute a standalone "Universal Restore ISO" as a free tool. Universal Restore is a premium feature built into the Acronis Cyber Protect or Acronis True Image (now Acronis Cyber Protect Home Office) bootable media. Why does this happen