HDMI not working anymore

Alright all

Looking for some help.

My xbox elite has been working on 1080p since i got new 50inch lg plazma. Xbox done an dashboard update last night when i turned it on. Now it wont display anything at all. Iv checked other devices in the hdmi port and they work fine, xbox wont work in any of the hdmi ports. So i know its a problem with the xbox.

Iv also tried swapping cables, no joy.

ANy advice ?????

Try the standard AV / Component cable in the 360 to the tv and see if you get display then.

If so check your settings to make sure it is set to 1080P.

Doesn't a dashboard update reset console settings to default?

I also have the same problem. The HDMI worked on all TVs before, but today it suddenly not working. All TVs says No Signal. However, my Westinghouse L24NM monitor HDMI port is able to output the image and sound. When I wiggle the HDMI cable that is connected to my XBOX 360, there is one particular angle disconnects with the monitor and no image nor sound. So when I was able to obtain the image and sound from the Westinghouse monitor, I disconnect the HDMI cable from the monitor and reconnect it to the HDTVs, the TV says NO SIGNAL! It's a bad luck for me today coz when I tried to look for the customer support number, I turned on my laptop PC and after talking to the customer service, they told me to test with other cables, I've tried with other HDMI cables and still have the same problem. After than my laptop suddenly died!!!! It's freaking bad luck to me today! Both my XBOX 360 and my Laptop died on me!

I am in the exact same shoes you were in when you posted this. The HDMI port on my xbox stopped working randomly one day after it worked the night before.

I think it is plain faulty Microsoft equipment.

this topic started in feb 2009 lol

I had the problem of the strange green pixels and HDMI not working properly, lack of sound etc. I've also had problems before with the screen suddenly going blank for a few seconds and then coming back on (particularly annoying in dark souls).

I have a feeling it might have something to do with the display discovery in the display settings. My problem with this was almost fixed by changing my screen resolution down to really low, 400x600 whatever, restart the console, then I switched display discovery off, sound fixed here, which allowed me to choose higher resolutions and I could then raise it to 1080i but not 1080p were it would get the green pixels thing again.

I realise it's not a total fix but better than a messed up screen and no sound. Hope this helps.

My slim that was just shy of 2 years old did this a few weeks ago. It works with regular AV cables but the HDMI completely stopped working. Dunno what caused it, I unplugged it from a TV and then moved it to another and it the TV and it suddenly wouldn't display and now won't display on anything if using HDMI.