3 ms·Doesn't work on my iMac (from '11 all software up-to-date). :Sby nixarn 14y agoDoesn't work on my iMac (from '11 all software up-to-date). :Snixarn 14y agonow it worked when I restarted it. First time it was all whitepianoben 14y agoI also got the all-white window on first startup - MB Air with Lion, fwiw.