Currently Being ModeratedDec 2, 2012 12:57 PM (in response to Wedgwood)
10.8.2 does have a HDMI issue which Apple is currently working on.
Also it could still be a bad cable as they won't show defects until you place them under load.
Currently Being ModeratedDec 2, 2012 1:17 PM (in response to MyMac8MyPC)
Thank you for your reply but my MacBook Pro is also running 10.8.2 and the same cable works fine with this.