Triton Classic problem on startup

[Wavemaker]

I haven't used my Triton 61 for 3 months and this happenned this morning when i turned it on.

Reinstalled os 2.5.3 and run a self test mode but no errors apear.

When it finally boots up everything works fine all progs, combis, controllers, no sound distortion etc but i get this blank screen every time i turn it on.

Could be an indication of going on a bad motherboard or just a harware problem such as bad capacitor etc?.... any ideas?

https://www.youtube.com/watch?v=Nh9jxKiFYx4