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Using a vga cable to connect my laptop to an hdtv, but tv says no rgb signal what can I do

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: LG 37LC7D Connect to VGA from a PC

Your right. I just had the same "Invalid Input" issue as well and it completely relates to the resolution compatability with any VGA or HDMI connection. Check the LG website for the online manual if you don't have it and see the section on RGB-PC cable. There is a table that incdicates the Resolutions the LG product is capable of displaying.

Thanks for the help.

Posted on Nov 09, 2008

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SOURCE: No signal when connecting PC to TV

This happens to almost every laptop I know. Here are several solutions:
1. You need to manually enable video on tv by pressing two buttons on your laptop keyboard. The first is "Fn" (at the left bottom). The second depends on your laptop manufacturer. Look at the function keys. F1....F12 for the LCD/CRT or the corresponding sign. Press and hold Fn and press second button. Sometimes you need to press second button several times. This means you need to cycle through all available options to enable Laptop's screen and TV screen at the same time (clone).
2. Intel Extreme Graphics video cards sometimes doesn't support a procedure described above. You need to find intel video card options manager running at the sys-tray (right bottom of your screen near the clock). Right click on it. Select Graphic Options -> Output to -> Laptop + ... clone (or something similar)
Note that not all video cards are capable of showing the movie on media player at the same time. You need to choose Laptop or TV

Posted on Feb 10, 2009

enov8
  • 53 Answers

SOURCE: cant connect to pc

It high definition digital signal. You will need a HD cable not a vga (that is analog).
Check in you tv manual. It should give you options of what cable to use. May need the HDMI cable.
enov8

Posted on Mar 08, 2009

  • 125 Answers

SOURCE: no signal sony bravia to dell laptop

Most laptops have a combination of buttons you have to press on the keyboard to get it to output on the monitor output. Try pressing the FUNCTION KEY or FUNC/FN key usually found in the bottom left hand side of the keyboard. Keep that button held down while press one of the number keys. Usually the number key will have a picture of a TV screen on it. Might be number 8 or 9. Press both keys at the same time a you can switch between laptop screen, Sony LCD or you can have both..

Posted on Mar 20, 2009

  • 1 Answer

SOURCE: tv says no signal after hooking up computer to it

I had same problem, adjust settings on your computer desktop resolution to 800x600 solved my problem right away, computer resolution is probably too high. Hope this helps!

Posted on Jun 09, 2009

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What do I need to connect a laptop toshiba Satellite L675D-S7052 to a high definition tv


Assuming what you are trying to do is make your HDTV a giant monitor, your HDTV will need analog video input capability --either a standard d-type VGA connector or RGB composite RCA plugs. The laptop has a d-type VGA output. You will need a cable that has matching end for your laptop and TV....either VGA-to-VGA (d-type) or VGA-to-composite. This will handle the vcideo. You will also need a min stereo-to-mini-stereo cable to connect the audio from the headphone output of the laptop to the HDTV.

Sep 06, 2014 | Toshiba Computers & Internet

1 Answer

Rgb connection stopped working on laptop


Instructions
    • 1 Decide if you want to watch the television on your computer or use the TV as a larger monitor. If you want to view the contents of the TV on your laptop, you need a video card connected to to the computer. These cards can either be inserted through the express PCI card slot on the laptop, or via USB cable. Make sure the video tuner card supports component video.
    • 2 Connect the DVI-to-component cable into the DVI port if you want to use the TV as a large monitor for your laptop. However, if you have a VGA port, plug the VGA-to-component cable into the VGA port.
    • 3 Plug the RGB component cables into the component side of the DVI- or VGA-to-component cable. If you want to watch the TV on your computer, insert the RGB cables into the TV video card.
    • 4 Plug the other end of the RGB component cables into the TV. If you are using the TV as a monitor, plug the cables into the "Component In" ports. However, if you are sending the TV signal to the computer, plug the cables into the "Component Out" port (the other end of the DVI- or VGA-to-component cable that you connected to your computer in Step 2).
    • 5 Power on the TV. If you are using the TV as a computer monitor, press the "Video" button until "Component Video" appears on the screen. If you are watching TV on your computer, launch the television viewing software that came with the TV tuner card. You can now see the contents of the TV on your computer.

Jan 10, 2013 | Dell Computers & Internet

1 Answer

How do i connect my pc to my hdtv


It is quite possible the tv may have a VGA input in which case a standard VGA cable will allow you to connect the laptop to the tv. Otherwise you will need one of the following depending on what connections the tv has:

1. VGA to HDMI cable: http://www.amazon.com/Video-Cable-Black-Support-Necessary/dp/B002TUC64W/ref=sr_1_1?s=electronics&ie=UTF8&qid=1355697785&sr=1-1&keywords=vga+to+hdmi+cable

2. VGA to RGB cable: http://www.amazon.com/eForCity-Premium-Component-Cable-Black/dp/B0012SPNII/ref=sr_1_1?s=electronics&ie=UTF8&qid=1355697879&sr=1-1&keywords=vga+to+rgb+cable

If you do not have an HDMI input, you will also need to get an audio cable as well. Standard mini-stereo audio cables should allow you to connect the laptop to the tv.

Dec 17, 2012 | Computers & Internet

1 Answer

How to turn on rgb from lap top to tv.


In order to connect your laptop to your TV using RGB, you need an RGB adapter. RGB is also known as component video; it breaks up a video signal into red, green and blue. laptops do not have RGB outputs. However, many laptops have VGA, DVI or HDMI outputs. An RGB adapter connects the single VGA, DVI, or HDMI cable to an RGB cable, which is actually three different cables tied together. INSTRUCTIONS:
1. Connect either the VGA, DVI or HDMI (in the order of increasing video quality) cable to the VGA, DVI or HDMI port on your laptop, depending on what is available. 2. Connect the other end of the cable to the side of the RGB adapter with the single input. 3. Connect the RGB cables to the red, green and blue ports on the other side of the RGB adapter. 4. Connect the other end of the RGB cables to an available component input on the back of the TV. 5. Tune the TV to the component video input you used through your television's menu. 6. Turn on your laptop. The laptop should now display on your TV screen.

May 30, 2011 | Computers & Internet

3 Answers

How do I connect a PC to a LG50PG20 50" HDTV Plama?


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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Select the PC input on the HDTV using TV remote.

Hope this helps.

Mar 06, 2011 | LG 50PG20 50 in. Plasma HDTV

2 Answers

I want to connect my laptop to my lg tv. i have the RGB cable but it is showing no signal on the tv, why?


You need to tell your laptop to send the video signal to your rgb output interface by using your function keys. Usually Fn+F2 or F8.



Mar 21, 2010 | Computers & Internet

1 Answer

Trying to connect my laptop to my lcd hdtv.


change it to VGA and put the audio in the mic jack on the laptop and in the audio in jack on the tv.

Jun 17, 2009 | Konka DLC-3211UT 32 in. LCD Television

1 Answer

Can i connect toshiba satellite a205 to tv?


Yes VGA carries RGBHV--RGB and Horizontal and Vertical Sync information along with DDC info where available.

Now is that port on your TV a d-sub 15 pin standard VGA connector?
http://en.wikipedia.org/wiki/VGA_connector

If it is, then yeah you should be able to output VGA from a PC to the TV with a proper cable.

However if the TV has DVI or HDMI connections on it, it's better for you to connect it that way. DVI/HDMI is a digital signal and if it's a digital-based display tech TV, then you're better off using that. Also if the TV does resolution above 1360x768 (i.e. if it does 1080p) you can get higher resolution by going via DVI/HDMI...

Dec 01, 2008 | Toshiba Satellite A205-S4617 Notebook

2 Answers

Lenovo T60 interfacing with Vizio HDTV using RGB cable


The X1400 supports Full-HD resolution. Full-HD/True-hd (1920x1080)
The best output would be via DVI but you are limited with the VGA port.
I would purchase a Grand Hi-Wire PC to HDTV converter from www.globalcomputer.com. Item # G126-1036 @ $139.99

If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe

Nov 04, 2008 | Computers & Internet

1 Answer

Trying to use rgb input


Cable TV: Connect the LCD TV to the cable with CATV and Digital cable. Preset the cable TV channels into memory with Auto Scan function when using a cable TV system. Make sure you set the INPUT SOURCE properly (TV, VGA, S-Video, etc)

Mar 10, 2008 | ViewSonic VPW425 42 in. Plasma HDTV

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