My Xbox HDMI just stopped working today, I turned off my xbox to use the HDMI cable for my PS3, Once finished I plugged in the cable back to my xbox, It didn't work I tried the AV cables, It worked, I tried using the HDMI cable on the PS3 and it works, But weirdly I took my Xbox to my pc screen which is also HDMI - HDMI and it works! I can't figure out why It wont work for my T.V also my tv brand is Sony Bravia

SOURCE: No HDTV

Hi there. There might be some solution out there that would work for you, KboxMod. Here it is : To reset the display settings of the Xbox 360 console to the default settings, remove any discs from the disc tray. Turn the console off and turn it back on. As the console starts, press and hold the Y button, and then pull the right trigger at the same time. The Xbox Dashboard resets the display settings to the default settings, and then automatically restarts the console. Note: If you are using an Xbox 360 Wireless Controller, turn the console on by using the Xbox Guide button on the controller. Make sure that you use the player 1 controller when you do this. The player 1 controller will have the upper-left quadrant light illuminated. Try it a few times, some say it took a few retries to get it working. It might just need a reset of those video settings. Hope that helps, cheebster.

SOURCE: XBOX 360 Elite HDMI problem

I have same issue with my Xbox 360 Elite using HDMI cable from Microsoft on my Mitsubishi 57" 1080P.
Works fine with component cable upto 1080i, get nothing using HDMI cable.

SOURCE: My PS3 recognizes the HDMI input, but when I attempt to change the settings, it won't work

welcome to fixya

you have to set it up on the ps3 for the cable

i had the same problem on the ps3 in settings there is hdmi cable set up make sure there set to hdmi and not to av wire

SOURCE: no sound from my xbox 360

You cant have HDMI and the xomponent cables pluged in at the same time.
to get audio to your monitor you will need an xbox 360 audio adapter. You can find that here. http://www.xbox.com/en-us/hardware/x/xbox360hdmiavcable/default.htm

That comes with the HDMI and audio adapter.
You can probabaly find it seperate somewhere else.

I hope this helps.

SOURCE: no video

this is a similar fault to he dreaded 3rrod, the mainboard warps with the heat generated whilst playing the console and it cracks the lead free solder. what you need to do is something called a reflow, strip down the machine and get the mainboard itself. either use a hot air gun (paint stripper) or something called a reflow station (what i use). you then need to go over every part of the mainboard with the heat for about 5 mins each side paying particular attention to the part of the board near the a/v output. look for something called the ANA chip and put the heat onto this in a circular motion for 20 seconds.
reflow also the gpu and lan areas and you should see some improvement.

we can do all this for you and we also change the x-clamps and use team-xecuter parts. we can get consoles working again for only £40 which includes return delivery to your door.
www.fixmyconsole.co.uk