TSDZ2 display issue

[wirebender]

I have had a TSDZ2 for some years now and have 4000km on it without issues, but recently it takes a few tries to turn on.
I hold the on switch and when I release it turns off, I hold it on for 30 sec and and the screen flashes and eventually it will stay on after several attempts.
Once on it is fine and I have no problems.
Any one had the same issue