How do i know if hdmi ports are bad? - Panasonic VIERA TC-P55GT50 55-Inch 1080p Full HD 3D Plasma TV from

HDMI ports are known to fail. Test by moving to a different port. If that restores the picture, then you know you have a bad port. If no picture, check the cable with a substitute cable.It's possible that the device you're connecting to the HDMI port isn't producing a signal anymore.

Connect a good HDMI device to the HDMI port on your TV. Make sure the TV HDMI port is selected using your TV remote. Turn ON the HDMI device. If the port is working, the TV and HDMI device will establish a connection and the screen should show some kind of menu display for the device. Regards.

The HDMI port on your television can be replaced easily by someone that knows how to solder

HDMI cord may be faulty. Try the cord that works on the port that doesn't If it works then the HDMI cord is bad. If it doesn't work then the HDMI port may be bad on the TV.

I know this sounds crazy but unplug everything in the HDMI ports. This series of Panasonic TVs have had many problems with bad HDMI ports. If there is a device plugged into one of the blown ports the power light will blink and the TV will refuse to power on.

If it comes on plug in devices one by one. You'll be able to isolate the bad port. Just refrain from using that one from now on. There's not much else you can do. There are HDMI splitters available if you need all your ports. It's an extra step but it's certainly cheaper than buying a new TV.

sounds to me like a bad HDMI cable. Just replace it.
If HDMI still wont show, move to another HDMI port. But based on having to hold HDMI cable with hand to steady the connection, it is either a bad HDMI cable, or a bad HDMI port on the receiver. Good luck

Not the HDMI port,it the HDMI cable is dead.If u have dead HDMI port holding the HDMI cable wouldn't work,make no difference.Change the HDMI cable will solved ur problems.

I have Verizon Fios and there's a known issue with the motorola HD boxes that they have bad hdmi ports, the screen goes green and that's it, nothing I can do about it I just use component cables. You need to be sure it's your tv not the cable box. Try the hdmi on a dvd player or ps3 or whatever else you have first just to be sure it's the tv at fault not the cable box. If you determine it is the tv you need to replace either the main board or the video board depending on your specific tv model. Some have the video inputs on the main boards some have video boards.

As you already checked PS3 and HDMI cable,
select HDMI input in TV and connect PS3 via HDMI cable. TV should show PS3 picture.
And if still no joy then HDMI input port in TV is bad and need to replace input board/ main board.

Had the problem. Turned out to be a defective hdmi port circuit board.