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No sound when connecting PC to TV
mickey2506
04-09-2010
I want to connect my computer to my TV - I can get picture OK but no sound, I have an HDMI to DVI cable and also a Jack to 2 x RCA Cable (which I thought would solve the sound problem). Panasonic TH-42PXB60B Plasma TV and Dell PC. Please assist - if you know the solution can you please be exact about what lead goes where. Thanks
RobAnt
05-09-2010
Which Dell PC, or more accurately, which graphics card?

Many graphics cards incorporate sound via DVI, but you need the provided DVI to HDMI connector and an hdmi-hdmi lead. Then you need to set the audio out device to hdmi audio, not speakers, or the soundcard.

So without knowing more precisely what you've got, it's going to be difficult to provide the correct advice.
d'@ve
05-09-2010
Originally Posted by mickey2506:
“I want to connect my computer to my TV - I can get picture OK but no sound, I have an HDMI to DVI cable and also a Jack to 2 x RCA Cable (which I thought would solve the sound problem). Panasonic TH-42PXB60B Plasma TV and Dell PC. Please assist - if you know the solution can you please be exact about what lead goes where. Thanks”

Can't be exact because I don't know all the available connections on your TV and I don't have the manual.

But if it's similar to my Pansonic TH42-PX80B, HDMI 1 works in conjunction with the RCA audio input. If you switch the AV input to HDMI 1, then go to the main menu "Sound" section, you can change the HDMI 1 audio to analogue instead of digital. Not sure if it works on Auto, it may do.

By the way, there is a separate PC input (DVI) on my PX80, which works better than using an HDMI - not sure if you have one though.
Nigel Goodwin
05-09-2010
Originally Posted by d'@ve:
“By the way, there is a separate PC input (DVI) on my PX80, which works better than using an HDMI - not sure if you have one though.”

DVI and not VGA?.

I've not seen any sets with HDMI and DVI, only HDMI and VGA, or DVI and VGA.

I've done a LOT of connecting computers to TV's, some work best via VGA, some best via HDMI - it seems to vary between different computers and TV's.
d'@ve
05-09-2010
Originally Posted by Nigel Goodwin:
“DVI and not VGA?.

I've not seen any sets with HDMI and DVI, only HDMI and VGA, or DVI and VGA.”

Yeah VGA, I just saw "PC" and didn't look at the connector. As the HDMI is hard (well impossible) to match exactly to the screen size with my PC, I presume that VGA (being intended for a PC connection) will work better - but I don't have a cable long enough to try it..
Nigel Goodwin
05-09-2010
Originally Posted by d'@ve:
“Yeah VGA, I just saw "PC" and didn't look at the connector. As the HDMI is hard (well impossible) to match exactly to the screen size with my PC, I presume that VGA (being intended for a PC connection) will work better - but I don't have a cable long enough to try it..”

Like I said, depending on the specific TV and computer, either might work the best. Sometimes I've found VGA best, other times HDMI - and on one TV (a crappy Vestel I use for a monitor sometimes) a VGA lead from the computer to DVI works better than VGA to VGA?.
Arandora
05-09-2010
I have a Samsung UE40B7020 LED TV and just bought a new Acer Aspire 5745PG laptop running Windows 7 Home Premium 64 bit with Realtek HD Audio. How best should I connect the two?
victorslot
05-09-2010
Originally Posted by Arandora:
“I have a Samsung UE40B7020 LED TV and just bought a new Acer Aspire 5745PG laptop running Windows 7 Home Premium 64 bit with Realtek HD Audio. How best should I connect the two?”

It will depend on the output on your laptop and the inputs on the TV. PC Laptops can have one or more of the following:

VGA
HDMI
DVI

TV's will also have one or more of he same type of connector.

You will need to match a cable to which type of connector you have. As suggested by Nigel not all work well with the same type of connector so you may need to try different methods to get the best results. Usually the manuals will indicate which to use, if you don't have the manual try the manufacturers web site, if they are recent models they can usually be found there.

HDMI is the only connector that carries audio too. If using DVI or VGA you will need to connect the audio output from the laptop to the associated input on the TV. You may need to enter the audio setup features of both to get this to work.

There are cables available for the video and audio that will convert one type of connector to another if needed e.g. DVI to HDMI or 3.5 minijack to stereo RCA/phono.

Unless someone has the same model of laptop and TV you have it will be difiicult to get an absolute answer to your question.
Arandora
05-09-2010
TV and laptop both have HDMI so presumably that is the way to go.
c4rv
05-09-2010
Originally Posted by d'@ve:
“Yeah VGA, I just saw "PC" and didn't look at the connector. As the HDMI is hard (well impossible) to match exactly to the screen size with my PC, I presume that VGA (being intended for a PC connection) will work better - but I don't have a cable long enough to try it..”

Using HDMI, the computer should automatically use the correct resolution but I had overscan problems with mine (picture not filling the screen correctly). The fix was install ATI own driver in my case instead of the windows default one and in the ATI version of the driver there was a option buried in one of the menus to adjust overscan.
Arandora
05-09-2010
Thanks both.
RobAnt
06-09-2010
Originally Posted by c4rv:
“Using HDMI, the computer should automatically use the correct resolution but I had overscan problems with mine (picture not filling the screen correctly). The fix was install ATI own driver in my case instead of the windows default one and in the ATI version of the driver there was a option buried in one of the menus to adjust overscan.”

Yes, I agree with this. The Over/Underscan adjustment is extremely difficult to find.

If you have an ATI card and your are running the Catalyst Control Center:

1. Open Catalyst as you usually would.

2. Ensure you aren't in Basic mode.

3. click the "Graphics" Drop Down Menu (top left)

4. Select Desktops and Displays.

5. At the bottom is a list of displays available. Right click on the one you want to adjust (It must be the small icon, not the main application window).

6. A pop out appears, click on the word "Configure..."

7. The Window changes and displays a complete set of pages on that particular display. Click on the "Scaling Options" Tab.

8. You have a slider, which works in real time, and a small tickbox below the monitor image. Ensure the box is ticked.

9. Move the slider left and right to see the effects, which are actually reflected on the main desktop.

Once you have the setting you want. Click Apply (along the bottom), after that you can click OK to close the application.
Arandora
06-09-2010
My laptop has NVidia GeForce 310M. I'll see whether I experience the overscan issue after I obtain and connect HDMI lead.
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