Hdmi was working fine , now I am getting no signal, please someone help!!

I Moved my tv and Macbook pro to another room and now my Hdmi will not work. It keeps saying no signal. Please help!

gfxCardStatus is a 3rd party product that you would have had to install.  The fact that you are asking what gfxCardStatus is, most likely you have not installed it.
gfxCardStatus will have an entry in your menu bar.  The letter displayed will reflect which graphic mode it is using.  'i' will be used if in Integrated Only.
If you did not install gfxCardStatus or similar utility, then chances are that is not an issue for you.

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