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I found that after adding the second image to the IDE controller, VirtualBox ceased to recognize the first image as bootable. After much trial and error, I was able to boot once again by choosing Settings Storage, selecting the bootable.iso image and changing its attributes to IDE Primary Slave. Open the VirtualBox software in your computer, select the virtual machine, and click the Settings button.Alternatively, you can right-click on the virtual machine and select Settings from the.

Change History

comment:2 Changed 14 years ago by sandervl73

• Status changed from new to closed
• Resolution set to fixed

comment:3 Changed 13 years ago by Alchemists_Kitten

• Status changed from closed to reopened
• Resolutionfixed deleted

comment:4 Changed 13 years ago by michael

• Status changed from reopened to closed
• Resolution set to invalid

comment:7 Changed 12 years ago by jiragh

• Status changed from closed to reopened
• Resolutioninvalid deleted

Changed 12 years ago by jiragh

• attachmenterror_log.txt added

comment:20 Changed 7 years ago by frank

• Status changed from reopened to closed
• Resolution set to obsolete

Get the fix for the error No bootable medium found on Windows XP,Windows Vista, Windows 7 and Windows 10.

Contents

• 1 About “No bootable medium found“
• 2 Causes of this Error
• 3 More Information

About “No bootable medium found“

The following information on this error has been compiled by NeoSmart Technologies, based on the information gathered and reported by our global network of engineers, developers, and technicians or partner organizations.

Description and Symptoms

The error messages, alerts, warnings, and symptoms below are tied to this error.

Symptom 1: “No bootable medium found” error screen on startup

A partition table is a table maintained on disk by the operating system describing the partitions on that disk. This term is most commonly associated with the MBR partition table of a Master Boot Record (MBR) in IBM PC compatibles, but it may be used generically to refer to other “formats” that divide a disk drive into partitions. If the partition table becomes damaged or corrupt, or simply has no bootable entries, then the system becomes unable to locate the partition to boot from and the boot process is halted.

Causes of this Error

This error has been known to occur as a result of one of the following causes:

Cause 1: Partition table is damaged

The most frequent cause of this error is a damaged partition table. It is located in the MBR(Master Boot Record) of the boot sector, which holds the information on how the logical partitions, containing file systems, are organized on that medium. The most common cause of that error is a failing hard drive, or a disk write error.

Cause 2: Partition table is empty

Another possible cause of this error is a partition table that has no bootable entries. This may happen because of errors made when configuring the partition table manually, or disk read/write errors.

Fixing “No bootable medium” on Windows

Windows Setup CD/DVD Required!
Some of the solutions below require the use of the Microsoft Windows setup CD or DVD. If your PC did not come with a Windows installation disc or if you no longer have your Windows setup media, you can use Easy Recovery Essentials for Windows instead. EasyRE will automatically find and fix many problems, and can also be used to solve this problem with the directions below.

Fix #1: Rebuild the MBR with Easy Recovery Essentials

Easy Recovery Essentials can fix many errors such as this automatically using its built-in Automated Repair option. EasyRE is currently available for Windows XP, Vista, 7 and 8 and can be downloaded and created on any PC.

1. Download Easy Recovery Essentials. Make sure to note your Windows version (XP, Vista, 7 or 8) before you download EasyRE. This guide can help you identify what version of Windows you have installed.
2. Burn the image. Follow these instructions on how to burn the bootable ISO image very carefully, as making a bootable CD can be tricky! Alternatively, these instructions explain how to create a bootable EasyRE recovery USB stick/drive.
3. Boot up your PC from the Easy Recovery Essentials CD or USB you created.
4. Once EasyRE is running, choose the “Automated Repair” option and click Continue.

   Choose “Automated Repair” in Easy Recovery Essentials

5. After EasyRE scans your computer’s drives, identify and select the drive letter for your Windows installation from the list, and then click on the Automated Repair button to begin.

   Choose the drive associated with the Windows installation you’re trying to repair.

6. Easy Recovery Essentials will start analyzing the selected drive for problems. EasyRE will test for and attempt to automatically correct errors with the disk, partition, bootsector, filesystem, bootloader, and registry. No intervention is required, as EasyRE’s repair is fully automated:

   Easy Recovery Essentials searches for errors and makes corrections to the selected Windows installation.

7. Once the process is complete, EasyRE will report its findings. Click on the Restart button to reboot your PC and test the changes.
8. The “No bootable medium” error should now be fixed as your PC begins to load:

No Bootable Medium Found Virtualbox Mac

You can download Easy Recovery Essentials from here.

Fix #2: Rebuild the MBR manually

You can try to rebuild the BCD if the winload.efi error appears because of a corrupt BCD file:

1. Insert the installation disc
2. Restart your computer and boot from the disc
3. Click Repair your computer
4. At the System Recovery Options screen, select Command Prompt
5. Run the following commands:
6. Press Enter after each and wait for the commands to finish
7. Restart your computer

bootrec utility results screen

No Bootable Medium Found Opencomputers

More Information

Linked Entries

Support Links

• Easy Recovery Essentials for Windows – our repair and recovery disk.
  It’s an easy-to-use and automated diagnostics disk. It’s available for Windows 8, Windows 7 and Windows Vista. It’s also available for Windows XP and Windows Server.

  Read more at Windows Recovery Disks.

• The NeoSmart Support Forums, member-to-member technical support and troubleshooting.
• Get a discounted price on replacement setup and installation discs: Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10.

Virtualbox Windows No Bootable Medium Found

Applicable Systems

This Windows-related knowledgebase article applies to the following operating systems:

• Windows XP (all editions)
• Windows Vista (all editions)
• Windows 7 (all editions)
• Windows 8 (all editions)
• Windows 8.1 (all editions)
• Windows 10 (all editions)