installed no problem the flash bios came up like noraml. flashed it over the web. then once it reboots no pic and no sound ive tryed reflashing it with the backup and still the same problem. i boot it with a out the mod chip i get pic and sound. i have no clue wuts up with it ive tryed older bios newest one ive tryed it all. i have 1.0 xbox with stock hd frist time a chip has been in it. maybe im doing something wrong. as of now im am lost.