Could Not Read From The Boot Medium System Halted Virtualbox Windows 7
Marisol Stgermain
Possible solutions. Burn another bootable CD/DVD disc or create a bootable ISO disk image correctly and try to boot again. Check the media you have inserted into the optical drive attached to the VM. Sometimes the wrong disc may have been inserted by mistake. Verify the checksum of your file after downloading the ISO image by comparing it with the reference checksum on the source site.
could not read from the boot medium system halted virtualbox windows 7
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Sometimes a VM cannot boot from an ISO image when the hard disk on which the ISO image is stored gets damaged. 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 bootable from this ISO file.
Possible solutions. Download another ISO installation image, clone a physical DVD disk to the ISO image, or create a new ISO bootable image manually. For example, how to manually create a bootable macOS installation ISO image is explained in the blog post about installing macOS on VMware ESXi. Unfortunately, in most cases, it is impossible to repair a corrupted ISO file stored on a damaged HDD.
VirtualBox allows VMs to use a physical CD/DVD drive of the host machine that can be connected to a VM in settings. Scratches and dirt on optical CD/DVD discs can make the disc data unreadable. This situation is made worse if the scratches are located near the center of the optical disc where the table of contents is recorded as well as the lead-in area that includes information about disc tracks and sectors of the CD/DVD disc.
Possible solutions. Insert the appropriate bootable media into the virtual CD/DVD drive of the VM and reset (restart) the virtual machine. The detailed steps for checking the bootable media for your VM are as follows:
In the screenshot below, you can see that the optical drive of the VM is empty. In this case, it is necessary to choose a virtual optical disk ISO file or select the host optical drive with a physical optical CD or DVD disc inserted.
If you use a VM to boot from a live CD/DVD each time, select the Live CD/DVD checkbox. When this option is enabled, a virtual CD/DVD disk image (ISO) is not removed from the virtual CD/DVD drive when the eject command is sent from the guest operating system. Hence, if you reboot the VM with the selected Live CD/DVD checkbox, a VM will boot from the same ISO disk image. Otherwise, the virtual CD/DVD drive of the VM will be empty after ejecting from the guest OS (operating system) and further VM reboot, and you can get the fatal error in VirtualBox: No bootable medium found! System Halted.
This can occur if you are looking to boot from the virtual disk where the OS is already installed, but the virtual optical drive is selected as a boot device, and the virtual hard disk is not selected as a boot disk in the boot order list.
Another case for the No bootable medium found in VirtualBox fatal error is when a virtual optical drive with a higher boot order contains the unbootable media. The disk drive that contains the correct boot image has the lower boot priority and is disabled.
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In my system i noticed the following:When i configure a new WindowsXP-Box with network bridge this box is able to boot from a PXE server in my network.When i configure a new Debian Linux64 Box with network bridge then this box is NOT able to boot from my PXE-Server, the box is stopped with the following error "could not read from the boot medium".When i configure a new WindowsXP-Box with network bridge and boot by my PXE-Server a Debian Squeeze64 it will install perfecty. After the installation i change the OS-type to Debian64 and everything is working well.
I assume you don't have the Oracle extension pack installed. Your Windows XP VM uses a PCnet network card emulation while for newer VMs the E1000 emulation is used. Due to licensing issues we are not allowed to make the Intel gPXE code open source, therefore you have to install the extension pack. The Etherboot code we use does not implement support for E1000.
Exported the machine as .ova in order to use it on another computer.
However, after importing the virtual appliance and double clicking its icon, instead of the usual startup image I got the screen below.
Sure - shared folder on new host machine has the same name; USB 2 and 3 are present etc.
Took the care, before starting import, to uncheck audio and LAN adapters, because they could be different on the new host.
(But on first try I didn't uncheck and result was the same).
Why have you enabel Efi? Your Windows host, might require that but not your linux guest.
Can you still boot your original guest if you uncheck Efi?
If so, a new ova export should work. (If you don't run your guest from a physical disk...)
Saw on one VirtualBox log of the exported Helium that failed to start something like C:\Q:\... which is illegal - imagined that VirtualBox export could be inserting undesired original .vdi location on the .ova (my machines resided on disk Q:). Sorry, misplaced the log and couldn't find it later...
Now that I had the time, moved the machines to C: on the original host, and exported Helium again - same problem, can't get to the graphic start page.
Next did exactly the same process to export a Ubuntu-mini .vdi and it worked with no problem on the new machine.
Just to repeat: EFI settings OK, both machines have AMD processors.
It seems the problem to be somehow related to Helium.
Ready to send additional data as required; Ubuntu-mini is fine but I like Helium better.
Disabled EFI on source machine; no GPT-table related option.
Exported the modified source.
As a result, I don't even have the screen that refer to startup.nsh, but simply a line stating:
FATAL: NO bootable medium found! System halted.
Yes, there's such an option - it simply moves the VM from the original folder to a new folder - .nvram, .vbox, .vdi and Logs folder are all included.
If done manually, VirtualBox loses track of the VM existence.
I did that just to eliminate the (remote) possibility of the .ova image to carry some non-C: related information.
The partitionsheme is done inside the vm or om hosts cli. How did you create the disk?
After diabling Efi on source-guest, did it boot ok? Did you test that before export?
Why did you enable efi on the source-guest? If you don't know the answer, you have obviosly done a fatal misstake.
Note that in order to test, I import with VirtualBox the exported .ova file into the new machine.
I can't try to boot live... the photo I posted earlier is all I get.
The usual first screen which gives me that option doesn't even appear.
If one have file-system errors, one have to fix them. It's allways a good ide to check fs before ova export also... The error with startup.nsh, can only be fixed with either editing efi-settings as described in previosu plink or skip efi and only reinstall grubb.
The Ubuntu vm, had it also efi enabled? Is it enabled on the ubuntu guest-target?
If not, you have the answer. If yes, it's good Ubuntu could handle your missconfiguration. But as I wrote before, Efi should not (without very good reason) be used on an linux guest. Neither Ubuntu, nor Debian.
Most moderna linux installation isos is efi-compatible. Your screenshot indicates that when you wanted to boot the iso, the vm instead tried to boot the vm disk. If you set the vm to use cd as primary boot, you shold bee able to boot to live dist or installer.
I think you should koncentrate omn fixing yory source gest. As I you don't have specifik reason for using efi-setting on the source-guest, you should test untick that (clone the guest before working on it).
You can not move partitions with resize2fs. So it is always a good idea to place the partitions that might grow in the end of the disks. Best Practice with VMWare and VBox is to create one virtual disk image per partition. Saves you a lot of trouble.
Thanks for the tutorial but I found out that the third step is overly complicated. Just mount the GParted Live CD on the same machine as the hard drive you want to resize. Then press F12 when starting a machine, press C and proceed. Worked perfectly for me ?
I have been looking for a clear guide on how to do this for a whole day, and most guides stop after the easy step #2.
I found your explanations clear and articulate, and you explained every necessary operation without assuming the reader is a big tech wiz, ground-up.
Thank you very much for taking the time to create this great step by step walk through to simplify this task.
Appreciatively yours
Amit
Thank you for your tut. My partition is a LVM one, so I did everything instructed. My LVM volume shows up as expected, but my mounted filesystem shows the old size. If you have any recomendation, thanks in advance.
Thanks, I had to use the tool Logical Volume Management under System->Administration on Oracle Linux 5 to use the free space anyway. I guess i did not need the GParted step since my swap memory was at the beginning of the drive and not obstructing the growth.
The changes were commited, I mean the vdi files lenght is 100GB and if a open it with gparted, it shows the partition as 100GB. But Ubuntu does not recognize the new size.
I also tried to create a new partition and it is not recognized by Ubuntu.
After I had made the initial copy of my fixed VirtualBox vdi to a dynamic-sized disk, I felt bold, as I knew I had a backup.
So I simply installed the gparted directly in the new dynamic copy.
I stopped the swap, deleted it, grew the sda1 partion and recreated the swap.
It worked like a dream.
So at least today you can skip the gparted iso .