Just replaced my Zumo 550 Screen & Digitizer Combo....
.....Fired right up.
Haven't ridden with her yet, but immediate impression is it fixed the problem. I bought the $50ish screen/digitizer combo. T6 screws, easy-peazy.
1997 Ducati Monster 750
2004 Honda RC51
2011 Suzuki GSX1250FA replaced my '04 Wee 2-14