There's not really anything that can be done about this, except possibly some hacks to either try and turn the backlight off, or set all of the palette/CLUT entries to black.
Notice that the operative word here is /try/.
There's not really anything that can be done about this, except possibly some hacks to either try and turn the backlight off, or set all of the palette/CLUT entries to black.
Notice that the operative word here is /try/.