In a message dated 4/16/06 7:04:44 AM, hanson102@... writes: are there any known issues of using spyder2PRO on a PC with its video adapter built-in the motherboard? Only if you are trying to calibrate two seperate monitors via the one built in video card. For a single monitor, it should be fine. C. David Tobie Product Technology Manager ColorVision Business Division DataColor Inc. CDTobie@... www.colorvision.com