MI black screen

Hi guys I,m a noob to this forum, my problem is a friends son left his v12 on and running for a few hours, when he came back it had black screened, but sound was still working and it still loads games, so the MI is still working, could the black screen be caused by the MI overheating ? and if so would a reflash cure this or is it likely to be the actel that has overheated

Sounds like a video out problem on the ps2 itself.. try using new plugs or on a different tv.

Have tried different leads, tv etc, have even installed chip in different ps2's, maybe one of the components on MI board has failed, will try upgrading blind see if that changes anything

reflashed using mc and matrix manager 1.36 it worked chip fine now