MacBook Pro :: Mac HDMI To TV Suddenly Stops Working

Aug 28, 2014

10.9.4 mavericks macbook pro retina to TV via HDMI  using an HDMI cable to watch movies on my laptop macbook pro retina.  was working this morning, and watched a movie. then I go to work, and come back and now the exact setup is no longer working. it does not show any display in the preferences menus, and the TV is just blue without any input.  cable is secure, nothing has changed. nothing. 

edit: actually I did pull the HDMI cable out while the two were connected this morning.  

tried restarting, reconnecting, nothing ... Why computers suddenly stop working for  no reason whatsoever. maybe someone hacked my computer this afternoon while I was gone? it's just a random failure. 

Info:
MacBook Pro with Retina display, OS X Mountain Lion (10.8)

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