In a message dated 1/14/08 2:51:29 PM, jvlist@... writes: After the first calibration run the software stops at this window (Mac) where White Luminance is adjusted via monitor's on-screen controls: http://homepage.mac.com/johnvito/spyder_lum.png Once White Luminance is corrected click "Continue" to finish the profile building process... If he is in fact getting that step... thats the question! C. David Tobie Product Technology Manager Digital Imaging & Home Theater Datacolor CDTobie@... www.datacolor.com/Spyder3**************Start the year off right. Easy ways to stay in shape. http://body.aol.com/fitness/winter-exercise?NCID=aolcmp00300000002489