>>>>> "GP" == Gary P <list@xxxxxxxxxxxxxxxx> writes: GP> Ok, did what you said (dd if=/dev/sda of=bootdisk.img bs=1M GP> count=510) and on reboot i am getting boot failed That's backwards; you copied 510MB from the flash drive to the file bootdisk.img. Assuming your drive really is /dev/sda, it should be nothing more than: dd if=diskboot.img of=/dev/sda where diskboot.img is the file in the "images" directory of your Fedora/Red Hat/Centos/whatever media. - J<