Well, by all means, if their monitor is like some of the old ones, you could be right and I could be wrong, So it just comes down to what they say when they come back.
No. The only time I have ever seen it change is when you change it manually.
I see your point about it happening when he was changing resolution, but refresh rate is in the same area, and that is the only thing I have ever seen do this. But I will not say that neither guess (since we dont' really know right now) is better than the other.
Right, but a signal over range error on the monitor, you Don't see anything. You can't get into safe mode to do a restore if you can't see what's being displayed.