IF you are unfortunate to get the dreaded christmas lights and you dont have a lpt or usb spi devise all is not lost. 1. Rename your original nand or xbr image to updflash.bin 2. Put it on a usb drive that is formatted to FAT32 3. plug it into your 360 and turn console on with the eject button 4. let xell do its update 5. Unplug back power cables for about 30 seconds. 6. plug every thing back in and you should be greeted with the dashboard.