SamyGO

On my LExxB650, the extensions install themselves in mtd_tlib/GGame/SamyGO, but the other categories are all in mtd_tlib/swf/<GALLERY/CHILDREN/../>

Although the rc.sysinit script seems to look for the correct path, this may be what is stopping the files from being found.

In the "Content" main menu, do you have a "Content Management" option? On my B650, this can be used to access Content on a USB device, or copy it to the TV.

You may already have broken warranty by entering the Service Menu. I won't tell