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HDMI Port Giving Visual Artifacts

Last response: in Graphics & Displays
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December 8, 2012 7:47:22 PM

Hello,
My video card displays everything just fine when using DVI but as soon as I switch over to HDMI from my monitor, I get different colored artifacts.

I'm not sure if this is a cable problem (it works fine on my Blu-Ray player and my TV) a monitor problem, or a video card problem, but I've had this type of artifact before and I thought I'd start here.

System:

OS Name Microsoft Windows 7 Home Premium
Version 6.1.7601 Service Pack 1 Build 7601
Other OS Description Not Available
OS Manufacturer Microsoft Corporation
System Name THEBOSS
System Manufacturer To Be Filled By O.E.M.
System Model To Be Filled By O.E.M.
System Type x64-based PC
Processor AMD FX(tm)-6300 Six-Core Processor, 3500 Mhz, 3 Core(s), 6 Logical Processor(s)
BIOS Version/Date American Megatrends Inc. P1.60, 6/26/2012
SMBIOS Version 2.6
Windows Directory C:\Windows
System Directory C:\Windows\system32
Boot Device \Device\HarddiskVolume1
Locale United States
Hardware Abstraction Layer Version = "6.1.7601.17514"
User Name TheBoss\Drew
Time Zone Eastern Standard Time
Installed Physical Memory (RAM) 8.00 GB
Total Physical Memory 7.98 GB
Available Physical Memory 6.13 GB
Total Virtual Memory 16.0 GB
Available Virtual Memory 13.6 GB
Page File Space 7.98 GB
Page File C:\pagefile.sys

Card:

Name AMD Radeon HD 7800 Series
PNP Device ID PCI\VEN_1002&DEV_6818&SUBSYS_25541458&REV_00\4&F1D09F1&0&0010
Adapter Type ATI display adapter (0x6818), Advanced Micro Devices, Inc. compatible
Adapter Description AMD Radeon HD 7800 Series
Adapter RAM (2,147,483,648) bytes
Installed Drivers aticfx64.dll,aticfx64.dll,aticfx64.dll,aticfx32,aticfx32,aticfx32,atiumd64.dll,atidxx64.dll,atidxx64.dll,atiumdag,atidxx32,atidxx32,atiumdva,atiumd6a.cap,atitmm64.dll
Driver Version 8.961.0.0
INF File oem6.inf (ati2mtag_R575B section)
Color Planes Not Available
Color Table Entries 4294967296
Resolution 1920 x 1080 x 60 hertz
Bits/Pixel 32
Memory Address 0xC0000000-0xCFFFFFFF
Memory Address 0xFEA00000-0xFEAFFFFF
I/O Port 0x0000E000-0x0000EFFF
IRQ Channel IRQ 4294967294
I/O Port 0x000003B0-0x000003BB
I/O Port 0x000003C0-0x000003DF
Memory Address 0xA0000-0xBFFFF
Driver c:\windows\system32\drivers\atikmpag.sys (8.14.1.6261, 335.00 KB (343,040 bytes), 4/5/2012 9:10 PM)

Monitor:

Dell SX2210T

HDMI Cable is 6' long. Not sure how much that matters, as I said it works just fine on my blu-ray.
December 9, 2012 12:24:43 PM

An update to the situation:

I fixed the issue with the outskirts of the screen being letterboxed, and was able to greatly reduce the number of artifacts on screen by changing the pixel format. This leads me to believe that my hardware is good, but it has something to do with the software.

I'll still need help tweaking it to remove the artifacts entirely, though.
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