Hi Rob sorry I take so long to get back. I am a a/c man and it is 100 degrees here
The current monitor is a lenova 17 in flat screen that came with a lenova computer I bought last year. The lenova computer it came with did the same thing that's why I got rid of it. Before you think it might be the monitor it did the same thing with a hp 15 in flat screen.
The board has built in video and is a gigabyte with 4 processors and 4 gig of memory.
Like I said before the confusing thing about it is it has done this through 3 computers and 2 different monitors