A great software utility that will help you to create a bootable USB flash drive is the Rufus Company, which is not protected and you will be able to sell, distribute, or modify any part of the software to suit your needs.
Without knowing what software you used to create the bootable Flash drive, it is difficult to come up with an explanation.
Unix utilities such as dd can create a bit-by-bit image of an entire drive. Commercial disk cloning software may feature the ability to create drive images as well.
create a bootable usb flash drive bootable diskette set bootable hdd image file
you can verify that a particular hard drive is error free by verifying the integrity using window98 bootable softwares. And again, proceeding by formatting with window98 bootable software.
It depends on which operating system you want to boot on your flash drive. I have been using an application called Bootsage to create a Windows 7 installer flash drive or a WinPE bootable environment, and it seems to work very well. It runs under Windows XP as well as Windows 7. http://firesage.com/bootsage Here is a utility which make bootable pendrive in few very simple steps... http://techwek.com/2011/09/22/download-free-software-iso-to-usb-to-make-bootable-pen-drive-in-windows-7-vista-xp/
If your computer caccnot bott from its hard drive for any reason - having a bootable CD will allow you to start your computer to a level where you can run diagnostic software.
Take a look at an application called Bootsage. It runs under Windows XP as well as Windows 7, and automagically creates a bootable Win7 flash drive. http://firesage.com/bootsage
Because, you didn't choose the CD drive like a bootable, or the CD disk is not bootable.
If there is sufficient space in the USB drive, it is possible to create a bootable USB from the original downloaded .iso image.
by bootable pendrive like ubuntu 10.10 bootable pendrive. or any other bootable OS pendrive
My Computer, right click on floppy drive-> Format... In the next windows choose Create a MS-DOS startup disk
In creating a bootable CD, one needs a blank CD, .iso file of the software, and a computer that has a CD drive and file burning application. The process involves running the burning application, choosing the .iso file and inserting the blank CD into the CD drive. The process takes several minutes.