After using 'Set focus' and opening lid GF stays in 'Scanning' mode

[cynd11]

Here is a recent posting that might help you—give the suggestions a try:

Alas...Stuck Centering

Stuck on centering can be caused by a lot of things, from a dirty camera lens, or your Wifi provider dropping a signal while data was being transferred back and forth, to a loose connection somewhere. I think the most common cause is the Wifi signal getting dropped for a fraction of a second somewhere along the route that the data travels. The last command it was working on gets hung up. (Although dirty lenses or too much glare rank a close second.) Try resetting the machine: Turn off the mac…