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Converting a bootable flash drive to a bootable cd
theclam
Registered User regular
Registered User regular
I've got a flash drive that I custom built that will boot multiple OSes. It's got Ubuntu, a hard disc scanner, several antivirus rescue discs, etc. It boots just fine, but I want to make bootable DVDs that are copies of it. I use grubinst to write the boot record to the drive, then I copy all my files in. It's using grub4dos to boot.
The problem is that I can't figure out a way to make a DVD bootable. I tried running grubinst on a virtual floppy drive and using an ISO creator to copy the boot image to an ISO containing all the files from the usb drive. That didn't work. It eventually loads a grub command line, instead of loading from my menu.lst file. If I try running the commands from that menu.lst file, it won't boot anything. Then I tried using ImgBurn to extract a boot image and then burning that to an ISO. That didn't work. It just gets me to a black screen with an unblinking cursor.
Any ideas?
EDIT: To give a little more info, I started with a bootable Windows PE ISO that works just fine. I tried editing it to add the other OSes and saving it, but the ISO becomes unbootable when I do that, even though it works fine if I do that on the USB.
The problem is that I can't figure out a way to make a DVD bootable. I tried running grubinst on a virtual floppy drive and using an ISO creator to copy the boot image to an ISO containing all the files from the usb drive. That didn't work. It eventually loads a grub command line, instead of loading from my menu.lst file. If I try running the commands from that menu.lst file, it won't boot anything. Then I tried using ImgBurn to extract a boot image and then burning that to an ISO. That didn't work. It just gets me to a black screen with an unblinking cursor.
Any ideas?
EDIT: To give a little more info, I started with a bootable Windows PE ISO that works just fine. I tried editing it to add the other OSes and saving it, but the ISO becomes unbootable when I do that, even though it works fine if I do that on the USB.
theclam on
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