Cant connect macbook pro to HDTV

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HI, I have a macbook pro 13" from mid 2009 running mountain lion. I bought a Belkin mini display to HDMI cable to connect the computer directly to my HD TV which is a Panasonic Viera TX L37D25B HDTV.

It doesnt have any adaptors. One end plugs into the mini display port, the other end plugs into the HDMI socket on the tv. When I plug it in the screen on the macbook screen flashes blue and then the desktop returns but the screen on the tv is blank.

I have looked in system preferences, and there is nothing in the display window. There is no detect display option.

I have looked through the tv manual and cant find an explanation or how to make this work. I previously tried to do this with a cheaper cable bought from Amazon and it failed so I assumed it was a faulty cable, hence buying the more expensive one from the Apple store.

I would appreciate any help anyone can offer.
 

bobtomay

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Your Mac's Specs
15" MBP '06 2.33 C2D 4GB 10.7; 13" MBA '14 1.8 i7 8GB 10.11; 21" iMac '13 2.9 i5 8GB 10.11; 6S

bobtomay

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15" MBP '06 2.33 C2D 4GB 10.7; 13" MBA '14 1.8 i7 8GB 10.11; 21" iMac '13 2.9 i5 8GB 10.11; 6S
Although I have it listed in the link above - Go ahead and do a SMC reset - link.
 
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I Mac 27-inch 3.2 GHz Intel Core i5 24GB ram. MacBook Pro 13-inch 2.5GHz dual-core Intel i5 16GB ram
A simple thing but are you selecting the right AV input on your TV.
 

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