Here's some steps that should help:
Settings UI - Display Tab
You should be able to modify the hardware acceleration option when Flash Player is in full screen mode. Try the following steps:
Settings UI - Privacy Tab
Settings UI - Local Storage Tab
Most settings on this tab can be worked around by setting them in Flash Player's native control panel's Storage tab, except for setting the local storage limit. One common case you may encounter is the "Local Storage" pop-up window that will appear if a website is requesting to store information on your computer.
Unfortunately, due to the current bug that effects some iMacs you're unable to click the Allow or Deny buttons. To temporarily avoid this pop-up window, we can do the following steps in Flash Player's native control panel (NCP)
To change local storage settings by site do the following steps in the NCP:
To change the local storage limit we can use the Website Storage Settings panel.
Settings UI – Microphone
You should be able to modify the microphone options when Flash Player is in full screen mode. Here’s an example using Google Talk (you should be able to do this with any full screen Flash content).
Settings UI – Camera
You should be able to modify the camera options when Flash Player is in full screen mode. Here’s an example using Google Talk (you should be able to do this with any full screen Flash content).
In the post above the link to Flash Player's native control panel is for prerelease version of help documentation.
Official help documentation is released as Local Settings Manager here. Following are direct link to each topics in the official help doc.
This terminology, Native Control Panel (NCP), was changed to 'Local Settings Manager' for now.