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No signal HDMI why no signal on HDMI ports? - Televison & Video

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Try another HDMI cord...or unplug both ends then reconnect.

Posted on Dec 08, 2016

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When I connect my Sony DVP-CX995V via HDMI it the TV says there's no signal.


there is interface problem between hdmi port actually signal are not reached in system ic these signaled are dropped between hdmi port & hdmi switching ic so please go to your nearest Sony service center & repair main board because this problem is in main board

Feb 02, 2016 | Sony Televison & Video

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46 inch Sony Bravia TV is 5 years old. HDMI ports 1,4 work fine but 2,3 don't.


I presume you've checked that the HDMI cables are good, and that the signal sources (e.g., blu-ray player, Roku, etc.) are working correctly. If the HDMI ports are individually selected by four buttons on your Sony remote, which is unlikely, it's possibly a problem in that remote. It's also possible that ports 2 and 3 are physically damaged by abuse. If you have ruled out all of those potential causes, this is almost certainly a problem in the way the defective ports are attached to the underlying printed circuit board inside the TV, or a flaw in that PCB. Too bad it's out of warranty. Repairing this will be a hassle if it can be done at all, and probably not cost effective. Instead, I suggest three possible workarounds for your consideration.

First, if you can find another way to get the signals into your TV, such as using the component inputs instead of HDMI, that will your cheapest and easiest alternative. This will only be doable if the signal source offers other types of outputs besides HDMI. Note that I am NOT suggesting adding any type of signal converter, just a different way of connecting the signal source to the TV.

A second alternative is to buy a multi-port HDMI switch with a remote control which you can find for less than $30 at online retailers like ebay. Plug that switch into one of your two good HDMI ports, and connect your unserved signal sources to the switch. It will be slightly less convenient to use the multi-port switch because you will need to operate one more remote control than you do now.

The third possible workaround is to buy an autosensing HDMI switch instead of the multi-port type, which would eliminate the need for the extra remote. However, an autosensing switch must have only one signal source active at any given time. This may not be possible if one of your signal sources is a streaming device that is continuously powered up. Good luck!

Mar 01, 2015 | Sony Televison & Video

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When I switch from one HDMI input to another I get a no signal & spinning LG box. after several minutes it gets a signal


Try a different HDMI cable, then try the other HDMI inputs on the TV, then try to connect another HDMI device to the TV. If all are still bad main board needs replaced

Oct 19, 2014 | LG 55LK530 55 inch 1080p LCD HDTV, with...

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

1 Answer

No hdmi signal


hi good day
if you can not use your hdmi port first try to use with other hdmi cable just to know if the problem is with in the tv unit at the same time you need to use other source like dvd player. if still can not have signal.their is a problem with the hdmi input board check and re soldered the terminal port of the hdmi then check defective signal diode going the hdmi terminal. hope this will help thanks for consulting through fixya.

Sep 04, 2011 | Televison & Video

1 Answer

I just got a new Optoma HD20 and only after 1day of use it is not showing HDMI signal, although it is showing VGA signal. Why is this?


Hi miracles4all: I solved HDMI signal issue in my Optoma HD20. In my case it was the lack of contact between the HDMI cable plug male ending and the Optoma HD20 HDMI female port. My 35ft cable plug male HDMI ending was not completely "seating" in the Optoma HD20 HDMI female port. I solved the problem by purchasing a HDMI female to female coupler and adding a 3ft HDMI cable that had a slim male ending. This 3ft HDMI extension cable made better contact to the Optoma HDMI port and the projector was immediately able to detect HDMI signal. Hope this helps you... kaufmanekpr

Nov 05, 2010 | Optoma HD20 DLP Projector

1 Answer

I continue to have to switch my HDMI cable between 2 ports on my TV because initally there is "no signal". But when I switch ports I get a signal. So is this a HDMI cable issue, port issue or my Insignia...


My best bet would be a port issue - see if another device will work plugged into that port. (Some HDTVs have a HDMI port strictly for Service and nothing else but a Technicians specified cable will work in this port, look at the Manual) Check to see if your TV is set to the same port as your connecting to. One will be HDMI 1, next HDMI 2 and so on, the input button on remote should switch from port to port, make sure port setting on TV is same as #port your connected to.

Jun 17, 2010 | Insignia NS-BRDVD Blu-Ray Player

1 Answer

I have sharp 37 inch LC-37D44U MY PS3 is not working with it it green lights keep blinking power light and OPC. BUT THE HDMi ports work beacause i checked it with other devices. so i dont know why its not...


Does this happen when you input certain signals to the HDMI2_bing.gif ports? Or all signals (e.g. 1080i, 720p, 1080p, etc.)? And which ports are affected - side HDMI, rear component, etc.?

I had this issue and Sharp sent out a local repair tech to install a new main circuit board, then two weeks later, a new side board (where the side inputs connect into the system)... their first visit allowed my TV to accept signals in the rear HDMI ports (all signals worked well), but then I couldn't get a signal processed via the side HDMI port. At first, just 1080p would not display (caused the OPC/power green light blinking), and after a few days, any signal hitting that port would cause the error lights to come on. But as I said, eventually, a new side board resolved that issue.

Sep 11, 2009 | Sharp Aquos LC-45GD4U 45 in. LCD HDTV

1 Answer

HDMi ( no signal, not supported) doesn't work with Dmr


I have lost my manual for the lct27ta. Have you gone into the menu and setup the hdmi port?

Oct 09, 2007 | Akai LCT2785TA 27 in. LCD Television

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