Question about Sharp LC22DV24U 22 in. LCD TV/DVD Combo

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Laptop is hooked up to TV via VGA cable and tv says no signal, why?

I just bought a two way vga cable from a computer store and the guy had assured me this cable would allow me to hook up my laptop to this tv, although without sound I'm not worried about, but the tv just says "No signal" even though it's on Input 4, PC station, if you will.

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  • Master
  • 1,238 Answers

Try to change your source (hdmi,RCA, etc) then switch to VGA.

Posted on Nov 27, 2012

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Posted on Jan 02, 2017

  • 53 Answers

SOURCE: My Sharp Aquos 46" LCD

Digital inputs on Aquos TV's are "always on," usually the HDMI inputs and DVI inputs. As opposed to analog inputs 1, 2, or 3, are only activated once something is plugged in.
Try plugging in another HDMI sources into input4 or 5, if its still not working, the TV needs a new Main Board. Try calling Sharp 1-800-237-4277 and locating a local service center in your area.

Posted on Mar 14, 2008

satavlad
  • 405 Answers

SOURCE: vga cable connects TV to HP laptop...then what?

You have to enable VGA port on the laptop. Press Fn + F5.

Posted on Nov 15, 2009

  • 1015 Answers

SOURCE: I have a Sharp LCD TV and a Toshiba Satelite

I would check the video setting on your laptop. The resolution or refresh rate might have been changed and the LCD TV might not be able to process the signal. Try changing the laptop's resolution to the lowest setting(right-click on desktop and pick properties) and see if the TV produces a picture. Also verify the video output on the laptop is working by hooking it up to a computer monitor if available.

Posted on Jan 09, 2010

satavlad
  • 405 Answers

SOURCE: I want to hook my laptop what video input should I

LC-37GD6U has DVI-I input, use VGA to DVI-A cable to connect your PC to the TV.

Posted on Feb 10, 2010

  • 4234 Answers

SOURCE: my sharp tv is pc ready. I hook everything up and

There are a number of things to check here:

1) Verify that the resolution on the PC is set to a supported level for the TV. Usually the TV will show "no signal" if the resolution is out of range or the message "out of range" will appear.

2) You don't indicate whether you are connecting to a desktop or laptop. If a laptop, you may need to turn on the external monitor. This is done by using the function key and either F5 or F6 (the key should have a picture of a screen on it). Hitting this combination will toggle between the main screen with.without the external monitor.

3) Verify that the TV port is selected correctly (AV1,AV2 etc)

4) You will need a separate cable or the audio regardless of the system type. Also verify that the audio cable is in the corresponding audio input jacks for the video option selected.

If you have completed the above and it still doesn't work, please post the details about the computer being used and the exact cable setup that you have and I'll check into this further.


Thanks,
Dan

Posted on Mar 13, 2010

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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.

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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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Link ASUS laptop to Sharp Aquos LCD TV


No, a DVI to VGA adapter will not work. (The TV is looking for the digital signal from a set top box. This is different from the analog signal on the VGA cable.) You need a converter. Your best bet would be a VGA to component video converter. (I am assuming that the Sharp TV has a component video input.) This page has some examples: http://www.ramelectronics.net/audio-video/video-converters/vga-rgb-hv-to-component-video/c10000-c11200-c11215.html?sorter=productname-en-asc . Note a VGA to component video cable will not work. The VGA to component cables are for projectors that read the RGB signal. The component video signal is YPbPr.

Connect the VGA cable to the converter and the component video cable to the TV and the converter with the computer and TV off. Turn on the TV first and set it to the component video input and then turn on the computer. Then (assuming the VGA port is enabled - adjust in the BIOS if needed) set the computer's video output to the VGA port. (On my Windows 7 laptop, this can be done by right-clicking on the desktop. Choose Graphics Properties and set the display to the external monitor or both. Click Apply and then confirm the change (on the external monitor if using the single monitor). (VGA to Composite video converters also exist if you do not have an available component video input on your TV.)

If your computer is fairly new, you may have an HDMI port. Your TV may be able to read the signal with a DVI to HDMI cable. (It depends on the TV. Not all of them will read the computer's signal on the DVI port. Check the documentation for your model. TVs without a VGA port are less likely to support this feature.)

I hope this helps.

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You shouldn't be using video component cables, instead you should be using a VGA cable and a 1/8". stereo audio cable. Your laptop and your TV should have a VGA port; it is D-shaped and has 15 pins over 3 rows. Next to your TV's VGA port should be an audio jack that you can hook up to your laptop's headphone jack. The cables be be bought at Radio Shack or any decent electronics/computer store.

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For and LCD TV you can hook it up via a VGA cable. You can purchase a VGA cable at any electronics store.

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Your laptop will need a HDMI output or a DVI output for HD video. If your laptop only has a VGA out the your tv will need a VGA or DVI input. You could use a vga to dvi adapter if your tv does not have a vga connector. They do have a DVI to HDMI adapter but there are a couple of problems with that. One you will not get the sound and the TV will only obtain sound from HDMI cable when connected that way and Two the TV will have problems processing the signal from the computer due to the HDMI will only process the HD signals at certain formats and the computer video can send out many different signals. I tried and I could not get my tv to process the signal so I got a video card that has a HDMI out and my blu-ray player works great.

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