I posted this question on another thread but thought I would make a new post to see if anyone else has had this problem.
I recently did the Supervideo 2.1 upgrade to one of my 600XL computers. After all was said and done, I am getting video but it's black and white. No color.
Sometimes when I power up the computer I get monochrome with some weird blue and red shadowing (red shadow on the left side, blue shadow on the right side of characters). I've gone through and checked everything but can't find anything obvious.
Has anyone had this problem before?