Why won't my HDMI cable work?

I just bought a LG LED 32' TV, why wont the hdmi cable work? I tried in both available slots.The same cable works fine on my Sharp HDTV with the same media player. As of now the LG is playing with AV cables, but know it should look better. I just have...

I put HDMI cable into the TV and into cable box, but there is no picture. what gives?

i have 2 hdmi cables a cheap one that i bought for $40 and it works with the ps3 fine and i got another one for $80 cuz it was said that itll look better but im having a problem now ...show more

Just bought the Apple Digital AV Adapter (HDMI support for ipad, iphone, and ipod touch.) i have the iphone4 in 4.3.3. and when i connect it says This accessory is not optimized for this iphone. but when i plug my brothers iphone in the it dosent say...

I just used the HDMI not long ago but for a different TV although I have switched between these two TV's several times with no problem.

I have: 32" Hisense LCD Tv Xbox 360 (with HDMI port at the back) Microsoft xBox 360 HDMI AV Cable I used to use the AV cables that came with my xbox360, (Blue, green, two reds and white) That worked ok but the picture wasnt what I wanted so I went...

Every time I turn on my controller it blinks green - all four lights, I try to sync. it to my console over and over but it just doesn't want to connect to the Xbox. WHY IS IT DOING THIS???? I have an HDMI cable if that makes any difference, it did it...

So I've had my 46" samsung for a few years and works perfectly fine with any hdmi cable I've bought. I recently bought a 27" samsung, which did come with an hdmi cable, but I decided to use the exact same one I used for the 46". It didn...

So I have the Acer GD235hz monitor and it runs at 120hz through dual-link DVI but will only run at 60hz through HDMI with the cable that my FLIP camera gave me. So what I did was went out to the electronics store and bought an HDMI cable that specifically...