Question about LG 42PX5D 42 in. Plasma HDTV

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Connecting pc to lg 32 inche

I connected an Hp pc with external GEforce 7200 VGA card to a plasma TV and i got no signal output on the monitor. could it be the screen resolution problem 'cos when connected to an hp506 monitor it display.

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You have not mention the model of lg 32"   what i suggest is lower the resolution of your hp pc tp 800 by 600  and gradualy increase the res to get the picture which matches the plasma hope this will solve your problem

Posted on Nov 12, 2008

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What kind of wire do I need to connect my samsung laptop to panasonic viera hd 3d plasma tv?


Most TVs will have HDMI and RCA component and composite jacks. Some TVs will also have a VGA port. Your laptop will have a VGA port. (If the laptop is fairly new, it may also have an HDMI port.)

Not all TVs will support an HDMI signal from a computer, so the VGA signal is often better. However, that limits you to SD (anything with HDCP will fail.)

Very few TVs ship with the HDMI or component cables. However, there are some vendors who do package the HDMI cable with their TV. Without knowing which exact model of TV and laptop, I can only make a few suggestions. I know that the TCP42ST30 (Plasma 42") doesn't have a VGA port.

Look at your laptop for any external monitor port. VGA ports are generally blue female ports with 15 holes (D-Sub). If your TV has a matching VGA port, get a standard VGA monitor cable.

If you have the VGA port on the laptop but not on the TV, you can try a converting from VGA to HDMI. (You may need a DVI to VGA adapter and either a DVI to HDMI cable or a DVI to HDMI adapter.) Note: this gives an analog signal (RGB format) to the TV. You'll also need to make sure that your VGA port is active (in the BIOS for some computers) and then set your computer to send the signal to the external monitor. It is best to turn off both the computer and the TV before connecting the two. Then turn on the TV and set it to the correct input before turning on the computer. (In Windows 7, I set the video signal for the external monitor by right clicking on the desktop and selecting Graphics Properties. Set the signal to the external monitor and click Apply. Then click OK (in the external monitor's screen).)

If this doesn't work, you need a VGA to component video converter. (Not a VGA to component video cable - those are for projectors that read the RGB signal.) See http://www.ramelectronics.net/audio-video/video-converters/vga-rgb-hv-to-component-video/c10000-c11200-c11215-p1.html .

Some laptops come with an HDMI, mini-HDMI or a DisplayPort option. For the latter two, you will need the appropriate cable with that end and the HDMI connector on the other. Then connect the TV and the computer as described above. (Note: my TVs accept a computer signal at the HDMI port labeled HDMI/DVI. However, you need to make sure that your TV understands this signal. It isn't the same format as that from a set-top box. My laptop has VGA and HDMI out; the desktops have VGA, DVI and HDMI (on one).)

If you add a comment with the model of your TV and laptop, I'll be glad to give you more specific options to connect the TV and the computer.

I hope this helps.

Cindy Wells
(A DVI port is a digital video out option with ~21 pins and is usually white.)

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How do you hook up the tv to a pc? I have the cable but I cannot get the tv to recognize the pc?


You will want to make sure that your TV is set to the same input that you are using to connect your PC to the TV. From the PC side, depending on whether you are using a laptop or a desktop PC, you will have to change the output so that the computer will output to the correct connecter.

If you are using a laptop, there is usually an F key that will allow you to switch from the built in display to either an external device, or both internal and external. The F key in question will usually have an icon on it that will look like a monitor screen. Pressing that F key at the same time as your Fn key should allow you to switch the outputs.

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If this information doesn't quite resolve your issue please post another question but specify what kind of computer you are using, what type of graphic card you have, and what output on your computer you are trying to use. I will then be able to give you specific instructions for your setup.

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You need a VGA cable (15 pin) connected from PC (monitor out) to the PC input on the HDTV (15 pin) this is for the video. For the audio, connect from PC to HDTV, audio cable, either 3.5mm from earphone out on PC to HDTV 3.5mm audio input (next to PC VGA input) and also be sure to set PC screen resolution to compatible output for HDTV like 1024 X 768 or 600 x 800 etc.


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This is a display device or monitor only. It lacks a tuner, so there is no way to connect an antenna and tune off air TV channels - and as such; fails the definition of a TV. A TV by very definition is a monitor AND a tuner. Without the optional "RTB421 RCA Terminal Board" installed in the monitor, it can only accept a PC Input signal (VGA).

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