Try to clean the disc surface carefully, polishing the scratches with special sprays. This situation can be terrible if scratches are located near the center of the optical disc where the table of content and the lead-in area that includes information about disc tracks and sectors of the CD/DVD disc is recorded. Scratches and dirt on optical CD/DVD discs can make the disc data unreadable. VirtualBox allows VMs to use a physical CD/DVD drive of the host machine that can be connected to a VM in settings. Unfortunately, in most cases it is impossible to repair a corrupted ISO file stored on the damaged HDD. For example, manual creation of the bootable macOS installation ISO image is explained in the blog post about installing macOS on VMware ESXi. Download another ISO installation image, clone a physical DVD disk to the ISO image, or create a new ISO bootable image manually. If some fragments of the ISO disk image are located on bad (damaged) blocks of the HDD (hard disk drive), the ISO file can become unreadable and a VM will not be able to boot from this ISO file. Sometimes a VM cannot boot from an ISO image when the hard disk on which the ISO image is stored gets damaged. The disk on which an ISO file is stored is damaged Verify the checksum of your file after downloading the ISO image by comparing with the reference checksum on the source site. Sometimes it may happen that the wrong disc is inserted unintentionally. Check the media you have inserted into the optical drive attached to the VM. Burn another bootable CD/DVD disc or create a bootable ISO disk image correctly and try to boot again. The same situation may happen when an ISO image is created incorrectly without creating a disk boot area. If a physical CD/DVD disc was burned as a data disc without using the bootable disc option, you won’t be able to boot your machine by using this disc. If you want to boot from a CD/DVD disc or an ISO image, but find that the disc has been created incorrectly, you may get the No bootable medium found in VirtualBox error. Let’s consider the most popular reasons why you can get the No bootable medium found in VirtualBox error and review the algorithms of actions that can help you resolve this issue.Ī bootable disk has been created incorrectly or is not bootable DISCOVER SOLUTION Reasons Why You Can Get the No Bootable Medium Found in VirtualBox Error
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