I'm uncertain as to which of the approximately 12 duplicates of this bug report applies to Aluminum iMacs. However, if you would like to unduplicate your bug report you can do this by performing the following steps.
1) Visit the duplicate bugs web page
2) Click on "Mark as duplicate" in the left hand pane
3) Remove the number (131133) that appears there
I'm uncertain as to which of the approximately 12 duplicates of this bug report applies to Aluminum iMacs. However, if you would like to unduplicate your bug report you can do this by performing the following steps.
1) Visit the duplicate bugs web page
2) Click on "Mark as duplicate" in the left hand pane
3) Remove the number (131133) that appears there