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HUGE HDMI vs DVI Diplay difference

post #1 of 36
Thread Starter 
Hi, fellow ocn people.
I just got a brand new HDMI cable and it is vastly different than my DVI output, somehow, even if they shouldn't be any different, as they are the same kind of signal.

my setup(GPU are 2x5850cfx)
DVI output - DVI to VGA adapter - VGA cable - VGA port on HDTV
Crystal clear, uses all 46inches of TV display barring the occasional green shadow because of the switch between analog and digital signals

or the new setup
HDMI output - HDMI Cable - HDMI Port on TV
waaaay less quality than the above setup, font not as sharp, doesn't even cover the entire TV screen. color is less awesome.

anyway to solve this? or am I eternally stuck with transparent green bands moving across the screen OR low quality pictures
   
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post #2 of 36
Is there an auto calibrate option on the TV?
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post #3 of 36
make sure your computer is putting out at 1080P 32 bit color with the HDMI cable. It is probably running in a far lower res than the first setup.
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post #4 of 36
check resolution , color / contrast settings , color bit depth and settings on CCC
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post #5 of 36
Quote:
Originally Posted by Farih View Post
I always got this problem to when i instal new drivers or a videocard [only with AMD/ATI]

Open CCC panel

go to my digital flat panels

Then go to pixel format

There select the setting "RGB 4:4:4 Pixel Format PC Standard [Full RGB]

Click Apply

It can happen that your picture goes really wierd and blurry [looks like artifacts but it isnt] Doesnt happen with all cards though

Restart and you should be good now
This also helped me with some scaling problems.
try this
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post #6 of 36
ive tried hdmi before and it was always off and some weird resolution and when I changed it to 1920x1080 some of it was off screen. Couldnt ever get it right
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post #7 of 36
Yea I always noticed a difference in picture output when I switch from my DVI to my HDMI cable, the colors,brightness, etc.all seem off with the HDMI and it is a pain to get it calibrated similar to the DVI-D output. So because of this, the only PC in my house using HDMI is my HTPC.
    
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post #8 of 36
Thread Starter 
i don't know why, but changing to full RGB is the same result
EDIT I guess the main issue is that the fonts aren't clear and it doesn't cover the entire screen

also my pc used 2 display types, the PC mode, and the HDMI mode

Tron Legacy looks muuuuuch muuuuch better on the PC(DVI) mode
Edited by InterestedThirdParty - 6/13/11 at 4:33pm
   
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post #9 of 36
Not familiar with ATI cards, but be sure there is no over scanning option selected as well, along with these other tips.
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post #10 of 36
Quote:
Originally Posted by Fletcherea View Post
Not familiar with ATI cards, but be sure there is no over scanning option selected as well, along with these other tips.
Actually, AFAIK AMD cards underscan by 15% by default (my HD5650M does), so he has to overscan in CCC.

OP, go to CCC and under display something something you have to make it overscan by 15%.

With that said, I really didn't feel like HDMI was ever as crisp and clear as VGA on my card.
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