tv flashes but no video/audio

I have a projection tv with a HDMI hook-up but when I insert my HDMI cable into my xbox and my tv and turn it on, the tv will flash like it's reading it but I have no video/audio.  Tried the hold "Y" and "Right Trigger" method and nothing happened.

 

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Last updated July 4, 2018 Views 0 Applies to:

have you tried to you the AV cords that came with it?

and have you blown on the HDMI input ?

Computer person... also a Mopar technician.
CEO of Independent LLC

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you can also use this as a reference: forums.xbox.com/.../509414.aspx

Computer person... also a Mopar technician.
CEO of Independent LLC

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Yes I tried the AV cords and they work fine. a friend also gave me an old AV cord that has a switch to go back and forth between regular TV and HDTV.

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