Q: Sound from my television after connecting HDMI Cable
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Oct 6, 2012 3:42 PMby sanjampet,Since you say that tis worked before, and assuming that nothing has changed (any updates, or other types of changes) you might try a nvpram reset: Power off the MBP, power back up holding the following keys, option, command, P,R (no commas) these keys need to pressed and held before the start chime. Hold these keys till you hear the start chime 2 times then release. Reboot. See if this helps. Included are some links that may or may not help, but worth readinga s they may give you a "brain tickler", as your profile does not have much detail, I am including some stuff that may not apply.
http://support.apple.com/kb/HT4241
http://support.apple.com/kb/HT4126
http://support.apple.com/kb/HT4124
http://support.apple.com/kb/HT4138
http://support.apple.com/kb/HT2508
http://support.apple.com/kb/HT3382
Hope this helps.
