No picture only sound/audio on HD channels?

Let’s learn no picture only sound/audio on HD channels. The most accurate or helpful solution is served by Yahoo! Answers.

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What is wrong with me Comcast HD box & why do I get sound but my picture on all the HD channels?

The regular channels work,I get picture and sound on them channels,but when I turn it on a HD channel a blue light comes on the front of my box and I can hear the sound on the HD channel,but there is no picture,only a blank screen.What do I need to do? Additional Info- I have a 32 inch Advanced serious LCD HDTV(it has 4 HDMI ports and the port I use is port number 3 and there is a coaxial cable running from my room wall to my HD box and I also use an HDMI cable.

Answer:

I never had that problem, but I would try a differ port, then different cable, unplug the box, then...

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Mr.Funer... at Yahoo! Answers Mark as irrelevant Undo

Other solutions

I purchased a 25 foot Philips coaxial cable, and am wondering why my picture is bad on my HD channels?

I recently moved my TV across the room and needed to get a longer coaxial cable. I was using the basic one the cable company installed a few years back. My local HD channels looked GREAT before. I purchased a 25 foot Philips coaxial cable that said ...

Answer:

to get true HD from your box to your tv you need a HDMI cable it is optimized for HD-coaxial cable isnt...

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Sarah C at Yahoo! Answers Mark as irrelevant Undo

Sky HD channels theres no different in picture then my HD plasma tv with HD?

would i be supid to upgrade to the sky HD channels even thow i have a plasma tv with HD in it?

Answer:

You need an HD box connected to the tv with an HDMI cable to see HD tv.

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David at Yahoo! Answers Mark as irrelevant Undo

Why are there gray bars on top and bottom of picture on HD channels?

We just got a brand new 55" TV. When watching the HD channels there are gray bars along the top and bottom of the picture. I tried googling this and I can not figure out why this is or if there is a setting we are missing or something. I was under...

Answer:

The channels are not set to your tv. You have to manually change the picture aspect ratio. Look at your...

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Sarah at Yahoo! Answers Mark as irrelevant Undo

Besides a clearer picture, will an HDMI cable allow full screen for HD Channels?

Just got a new Viore LCD 720p 60Hz HDTV. I already have HD capabilities through my provider... On this new TV, when we go to the HD channels, it has the black borders around them, so vertical and some horizontal. Will an HDMI Cable allow me to see the...

Answer:

I think you should go for good dish TV connection. There are many but I am providing you which offers...

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Tim P at Yahoo! Answers Mark as irrelevant Undo

Verizon FiOS HD Picture Issue - HD Channels appear to "refresh" every 2-3 minutes w/ horizontal line.?

* HD channels on set top box experience a horizontal line that disrupts the picture – the best way I can explain this is that it appear that the TV is “refreshing” itself every 2-3 ...show more

Answer:

I'm guessing that you have a bad splitter or wire somewhere. It sounds like your not getting a good...

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FZ3BTE5LPSLK3W6FCRKVGZ244Q at Yahoo! Answers Mark as irrelevant Undo

HD Picture on HD Channels after splitting the signal?

I split the cable signal. I have one signal going to a SDTV and another to a HDTV. On my HDTV, will my channels be HD or will they go to down to SD?

Answer:

Using a splitter doesn't change the resolution of a received program. But a bigger question is, (a)...

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bovice at Yahoo! Answers Mark as irrelevant Undo

I just got a Bell TV HD receiver and when i go to HD channels, the picture doesn't fill up the whole screen?

theres some black around the screen and when i go to regular channels that aren't hd they fill up the whole screen. how can i fix this????

Answer:

standard definition programing is shown in 4:3 and HD is 16:9. (these are standard and HD aspect ratios...

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RUKFIB6LWNDQO6GYW2HS4ECGVI at Yahoo! Answers Mark as irrelevant Undo

Sky HD Box keeps loses picture when switching to HD Channels?

This is a very annoying intermittant fault. When I change over to an HD Channel, my LCD screen turns Green with no picture, only sound. Engineer came out on Friday to reset the system, and said to contact him directly if if happens again within 30 days...

Answer:

If you're not already doing so use a gold tipped HDMI cable to connect your Sky HD receiver to your...

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Red Devil Girl at Yahoo! Answers Mark as irrelevant Undo

Answer:

Your electronic retailers(Best Buy, Radio Shack, HH Gregg, etc..) sells an HDTV antenna that picks up...

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Gary St. Thomas at Yahoo! Answers Mark as irrelevant Undo

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