Initially I was disheartened after reading all that has been written in this particular article comments section, but luckily I managed to crack this. I have solved this problem with the help of telephone support. Turn on the TV and verify those connected HDMI inputs are working or not.Īlso look up what Profiles you have in the /System/Library/CoreServices/Resources.Turn off the TV and plug back all the HDMI connections to the TV.The TV will turn itself off, then back on again then release the up arrow button.

Turn on the TV and while holding down the up arrow on the remote control, press the power button on the TV.Turn off the TV and unplug all the HDMI connections to the TV.The Sony should show up in your display profiles even if the TV is OFF. Hold the keys down until the computer restarts and you hear the startup sound for the second time. You must press this key combination before the gray screen appears. Press and hold the Command-Option-P-R keys. You will need to hold these keys down simultaneously in step 4. Locate the following keys on the keyboard: Command, Option, P, and R. Press the power button to turn on the computer. Press and hold the power button for 5 seconds. Unplug the computer's power cord and all peripherals. Find other devices with HDMI input (game consoles ect.) to cross check.

Hdmi from mac to tv