Hi Propane Dad,
Have you tried updating the video drivers?
Please provide the screen shot of the device manager with Display adapters expanded.
- Press ‘Windows’ key + R on ‘Desktop’ screen
- Type ‘devmgmt.msc’ in run box and press ‘Enter’
- Click > sign next to ‘Display adapters’
You may refer to the following link for more information related to this issue.
The link is: http://bit.ly/17Dpc01.
Keep me posted with the information. I will be glad to assist you further.