Vincenzo, can you attach the output of the 'intel_reg_dumper' program after you've tried to enable the VGA output? Also, can you try using the xrandr tool to reduce the refresh rate sent out to the VGA display?
Vincenzo, can you attach the output of the 'intel_reg_dumper' program after you've tried to enable the VGA output? Also, can you try using the xrandr tool to reduce the refresh rate sent out to the VGA display?