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Hdmi failed HDMI doesn't work from computer to tv

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  • Polaroid Master
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Try a different known good cable.

Posted on Dec 10, 2014


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Hdmi output from lenovo c20 not working


Hello,

There are several possible problems.

1st - I have had many HDMI cables go bad. I highly suggest using on HDMI version 1.4 cables - there are version 2.0 cables and they work too. Cables from a reputable company are a must. I have used cheap cables and they are intermittent and usually fail completely after a while. Belkin, cables 2 go and other cables are more expensive but I have never had any of them fail. Test the cable on a known good working system to see the picture and audio working for yourself.

2nd - If you computer received updates, I'd go through Device Manager and check for any devices not properly recognized and fix those errors.

3rd - Go to Control Panel, Click on Hardware and Sound, Click on Sound, find your device and ensure it is enabled.

4th - Check Bios on your computer and check it the HDMI port has been turned off.

5th - If you are running this to a TV, the TV may be at fault, check by going through the TV menus. Or - check by attaching your computer to another HDMI enabled device.

Best Wishes,
Joe

Aug 25, 2016 | Lenovo Computers & Internet

1 Answer

Hello i have a problem with my Toshiba l650 with ATI Mobility Radeon HD5470 with 512MB dedicated graphics i5-480M ...I installed all the drivers from Toshiba, but i get NO SIGNAL ON MY LG LCD TV but my...


i have the same tv. What i did was lowering my resolution on my computer by going to Control Panel > Display > Change display settings > Advanced settings > List All Modes. Find your resolution and select it. Then turn off pc and tv. reconnect hdmi to tv, turn on pc first then tv.

May 03, 2017 | Computers & Internet

1 Answer

Can someone please help me get my laptop working through HDMI cable onto TV on a sony VAIO VGN-FW23G. I need to know the process to do this


1. Check the computer for changing output (some computers use <F5>, <F8>, depending on which brand they are. I believe Sony uses <Function><F7> or <F7>).
2. Check what channel the HDMI port is on (e.g. AV1, HDMI1, HDMI2, etc.) - you need to know this if your TV doesn't automatically switch to the new input.
3. Plug the HDMI cable into the TV HDMI cable-in port.
4. Plug the HDMI cable into the laptop HDMI cable-out port.

5. Turn on the computer.
6. Press the <Function><F7> simultaneously ONCE. The screen should flicker and show up on TV.
7. Sometimes you may have to go to "Display Preferences" and select Dual Monitors or external monitor if your computer doesn't do it automatically. Repeat Step 6 after.

** You may have to adjust Display Resolution to 1024 x 768 or lower in order for the TV to work. After it works at a lower display (800 x 600, for example), you can adjust the resolution to the maximum the TV can accept.

Oct 26, 2012 | Fujitsu Computers & Internet

1 Answer

HDMI connection Dell Latitude 6320 to Panasonic Viera TV doesn t work


Look for your cable wire to Panasonic Viera tv or switch on your tv hdmi.

Oct 21, 2012 | Dell Latitude E6320 Computer (blct63s2) PC...

1 Answer

My hdmi wont work for the element tv


Make sure you select the proper hdmi input from the TV's input menu. If that doesn't work then try a different HDMI cable.

Jun 29, 2012 | Sony Playstation 3 (PS3) Console

1 Answer

My hdmi wont work on the element tv


Make sure you select the proper hdmi input from the TV's input menu. If that doesn't work then try a different HDMI cable...

Jun 29, 2012 | Sony Playstation 3 (PS3) Console

2 Answers

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.)

Feb 03, 2012 | Panasonic VIERA Televison & Video

2 Answers

I have a HP m7570n. How do I use a flat screen tv as a monitor


This depends on the TV's available inputs. The Pavilion m7570n has only a VGA output in the standard configuration.

Thus if the TV has a VGA port, turn off the computer and the TV. Then connect a standard VGA (RGB or D-sub 15-pin) m/m cable between the computer and the TV. To use the TV speakers, connect a 3.5 mm audio patch cable between the computers Line-out (green speaker port) to the VGA audio in. Turn on the TV and set the input to VGA (with the Source or Input button on the remote or the TV). Then turn on the computer. Windows XP should find the correct resolution to work with the TV. (If you turn on the TV after turning on the computer, you may get an unsupported signal. Press Ctrl-Alt-Del twice to restart the computer.) If it doesn't work, you may need to connect a different monitor and set the computer to a low resolution before connecting the TV and the computer.

If the TV only has composite or component video inputs, you will need a VGA to video converter (http://www.svideo.com/pctocomponent.html for example). A VGA to component cable will not work; those are for projectors that read an RGB input. TVs interpret YPbPr.

If you have added a video graphics card, you may have an HDMI and/or DVI port(s) on the card. In that case, check the specs of the TV. Some TVs will support HDMI or DVI-HDMI inputs from a computer. Others will not (since computer video signals are not the same as the signal from a set-top box). If you use a DVI-HDMI connector, make sure to use the HDMI port labeled for DVI and connect the audio cable as with the VGA connection. If you use an HDMI connection, you may need to set the sound properties to that of the HDMI port. (Find the control panel item for sound (under Hardware) and then select Manage Audio Devices. Set the Playback properties. If it doesn't work, use an audio patch cable.) Some TVs have RCA audio inputs for the HDMI-DVI connector. In that case, you will need a female 3.5 mm to RCA M/M adapter (if you use a 3.5 mm patch cable). There is a similar device if you want to use an RCA audio cable. You may need to enable the video ports on the graphics card before swapping monitors.

Some video cards have a TV out. In that case, connect the appropriate connector (should come with the video card). Then connect to the component, composite or S-video input on the TV.

Again turn off the TV and the computer before making any connections.

You will probably need to provide your own cables for must of these connection options.

I hope this helps.

Cindy Wells

May 12, 2011 | HP Pavilion m7570n (EX331AA) PC Desktop

1 Answer

Connecting Ps3 with philips tv (full hd) when i got hd cable in, and click to switch so the ps3 uses hd to show things and i than switch over to the channel i plugin the hdmi cabel it gives blac kscreen


If it's the first time using your PS3, use the composite cables that came with it. Turn on the PS3 go to video settings and switch the input to HDMI. After you've switched to HDMI, turn the PS3 off and connect your HDMI cable, go back to video settings and change the resolution to 1080p. If this isn't the first time you've used HDMI for your PS3, make sure your T.V. is on the correct input. If the T.V. is on the correct input, try switching the HDMI cable to a different input. If that doesn't work try using a different HDMI cable, testing different HDMI connections if you're still getting the black screen. If none of those work then it's probably a problem with the PS3, but just to make sure try plugging something else with HDMI to see if that works. If another HDMI device works, then it's your PS3, if it doesn't then it could be a problem with your HDMI connections on the T.V.

May 04, 2011 | Philips 52 In. LCD HDTV

1 Answer

I plugged in my PS3 using an HDMI cable and i get no feedback


If you just bought the PS3 use your composite cables that came with the system. Turn the PS3 on and go to the video settings, set up video input to HDMI. After you've done that plug your HDMI back into your PS3 and try turning it on. If that works go back to video settings and change the resolution to 1080p. If that doesn't work make sure your T.V. is on the same input that the HDMI cable is plugged in. If it is and still doesn't work try switching to a different HDMI port. If switching to a different HDMI port doesn't work try a new HDMI cable. If the new HDMI cable doesn't work then there is a problem with the port on the PS3 which would require a repair.

May 03, 2011 | Toshiba 50HP66 50 in. Plasma Television

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