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GTX 670 HDMI issues

post #1 of 10
Thread Starter 
Hey all, I was looking to get some help for an issue I'm having. I don't know if you could really call it an issue, but it is for me haha. Anyway, so when I plug a HDMI cable from my GTX 670 to my monitor (which is a 32" LED TV), I get a really crappy looking picture. However, if I use a VGA adapter from the DVI output on the graphics card, the picture looks great. Does anyone have any pointers for me as to how I may use a HDMI cable and get as good of quality? Thanks!
post #2 of 10
Make sure you have the resolution set to whatever the native resolution of the TV is. What is "crappy" about the picture with the HDMI that isn't present with the VGA connection?
post #3 of 10
Thread Starter 
Quote:
Originally Posted by hermitmaster View Post

Make sure you have the resolution set to whatever the native resolution of the TV is. What is "crappy" about the picture with the HDMI that isn't present with the VGA connection?

I don't know any technical terms for this, so I will describe what it is that I see. First off: I had a picture set as my background, that had primarily a black theme going to it, the colors looked all distorted. Kind of like a topographical map, only with colors (if that makes sense). On my VGA input, that issue isn't there. Also pictures and fonts are "Scratchy" with the HDMI input, where as right now, the VGA input has a nice, clear and crisp picture. The fonts almost look blurred around the edges as with pictures to some extent. Pictures have a weird contrast to them, also, in WoW, fonts that should be colored (green, purple, blue, etc), look watered down, and you really have to look hard to see where the message is coming from.

I do have the correct resolution. My TV is 32" LED 1080p. My current desktop resolution is1920x1080p
post #4 of 10
I would suspect the cable is bad. Have you tried a different cable?
post #5 of 10
Thread Starter 
I haven't actually. I got another HDMI laying about, I'll try that. I'll test my current cable with my xbox too, and see if there are any video quality issues there too.
post #6 of 10
It's digital, so it's pretty unlikely to be the cable. Digital signals are just a bunch of 1's and 0's, so a cable pretty much either works or it doesn't. Worth trying a different one, but I doubt that's it.

One possibility is that the TV may have individual settings for each input, and you need to tweak some of settings the TV for the HDMI input specifically to make it look decent. Could also try some of the settings in the NVCP, see if you can get it looking better that way. And make sure the TV is in a 1:1 (or "justscan") aspect mode
Edited by brettjv - 10/11/12 at 12:52am
    
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post #7 of 10
Quote:
Originally Posted by Fendryx View Post

Hey all, I was looking to get some help for an issue I'm having. I don't know if you could really call it an issue, but it is for me haha. Anyway, so when I plug a HDMI cable from my GTX 670 to my monitor (which is a 32" LED TV), I get a really crappy looking picture. However, if I use a VGA adapter from the DVI output on the graphics card, the picture looks great. Does anyone have any pointers for me as to how I may use a HDMI cable and get as good of quality? Thanks!

Hi,
As you have a nvidia card and getting a poor hdmi image on a hdtv then i'd suggest doing what is in the following link, oryou can use one i have prepared.
Quote:
Fixing Ugly DVI/HDMI Displays due to EDID bugs on nVidia drivers




The good news: nVidia finally released their much awaited 173.14.09 video driver for linux. This officially supports the 2.6.25 kernel and supports the newest line of GeForce graphics cards.

The bad news: When you install the driver your HDMI/DVI digital flatpanel display looks horrible; the text looks jagged or blurred or oversharpened. There are halos and ringing anywhere there is contrast. The colors looked washed out and over bright. However, when you use the D-SUB (VGA) plug, everything works fine
http://analogbit.com/fix_nvidia_edid
The file i have included is a edid with it's extension bloc deleted, this will most likey fix your issue, or you can follow the tv and make a edid from your own hdtv's edid, all the relevent info is included in the link.
Sadly when megaupload went down i lost alot of edids so the included one is actually from a zalman 3d monitor, i've included this as it has no extension bloc so will fix your issue i'm 99% sure., do'nt worry it will work the same as the one you create in the tut above except it only has a 1080p res and no audio, dno can't remeber., you can allways unistall the edid in device manager from your tv wink.gif Zalman 3D Monitor EDID Override.zip 1k .zip file

Edit

Just remembered that when i got my 670's i needed the modified edid that is in the tut in the link and the software needed to capture/make it did'nt work with 600series or just the 670 so you may not be able to complete the tutorial.
Edited by OcSlave - 10/11/12 at 5:00am
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post #8 of 10
I am guessing that your TV has a "PC mode" it goes into when using the dvi/vga input. Mine does. Copy down all the settings from the PC mode and enter them for HDMI.

Edit: What model TV? You may have to rename the HDMI input as "PC" to get the PC settings on the HDMI input. Just remembered both of the Samsung's I've owned required this.
Edited by JohnnyChuttz - 10/11/12 at 6:44am
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post #9 of 10
Quote:
Originally Posted by Fendryx View Post

Hey all, I was looking to get some help for an issue I'm having. I don't know if you could really call it an issue, but it is for me haha. Anyway, so when I plug a HDMI cable from my GTX 670 to my monitor (which is a 32" LED TV), I get a really crappy looking picture. However, if I use a VGA adapter from the DVI output on the graphics card, the picture looks great. Does anyone have any pointers for me as to how I may use a HDMI cable and get as good of quality? Thanks!

Did you ever fix your issues? I have the same problem, and am almost turning back to the DVI/VGA adapter. I'm using Windows 7 64 bits btw.
post #10 of 10
Thread Starter 
No I didn't. I just stuck with my VGA connection. It doesn't look bad to me, so I decided to keep to the old saying "don't fix what aint broken"
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