I did everything you said, but during verification it fails and firmware preloaded does not start from the first time I press start again, too, because that was a mistake.

I would like to keep the documents from a flash drive.

Flash card jetflash 4gb transcend v30, hook up with windows sees it but when I try to open says «Insert the disk into the removable disk (I :). I tried different utilities to recover a USB flash drive but sees nothing.
VID_090C PID_3000 REV_0100 memory chip SAMSUNG 016 K9ABG08UDA-MCB0 controller H58016. In the utility SMI Mass Production Tool in the status of Ready and Capacity 0MB VID_0000 PID_0000.