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Windows 7: Color/Gradient Banding... Completely at a loss. Tried everything I can

20 Oct 2013   #1

Windows 7 Home Premium
Color/Gradient Banding... Completely at a loss. Tried everything I can

So in the last few weeks I've noticed minor but noticeable color banding, err to be more specific, banding in gradients.

First noticed it on Steams background and in Dota 2's chat window and various backgrounds, but after asking around, most people said they get that too...

Still not completely reassured, I started noticing it on various webpages... ESPN's background, Windows Login/Task Manager background and various other places.

Actually I can see banding right now on this forum's background... Not horribly but again noticeable.

And I don't know if exactly related, or completely different, a few movies I've watched and in some scenes with intense lighting I'll get a blue horizontal glowy type bar shine across the light sources, and occasionally a transparent pale red type artifacty-ish thing, and again I don't know if maybe that's part of the video encode or rip or w/e.

Anyhoo here's what I've done so far to try to figure out what the issue is... All produced roughly the same banding.

4 Monitors... 2 being of different Make/Models
2, err 3, GPU's counting the onboard Intel4000 I have... Currently using a 670FTW 2gb, also was issued a RMA for it which the refurbished one sent also produced "slightly" less banding but the performance was WAY below the current card I had, so I sent the RMA'd refurbished one back.
Clean installed 5 different Nvidia driver versions...
Messed with every single display setting my computer/monitor/everything has...
Messed with every "color management" profile...
3 Different input cables... HDMI/DVI/VGA including 2 different HDMI and DVI cables each.
Comparing to screenshots/webpages with a Mac downstairs...

I'm totally dumbfounded right now... I can't clear this issue up, I have no clue what else could cause "gradient banding".

I can get the lagom black-white gradients to be "somewhat" smooth, but the really dark side I have my gamma off on the monitor to mask the banding there.

Again this issue is not totally severe but it is INSANELY annoying since I think I've developed OCD from it...

If anyone could give me some suggestions on what is left for me to mess with, or try to figure out... Cause right now, I have no clue.

My system specs if it helps...

i5-3750k (Stock settings)
EVGA GTX 670FTW 2gb (Stock settings)
Crucial 256gb SSD(Games/Steam Installed on)
Crucial 8GB@1600mhz
AzRock Z77 Extreme4
Coolermaster Hyper 212 Evo Fan/Sink
Thermaltake 750w SmartSeries 80+B
HP Pavilion 23xi IPS BackLit LED
1920x1080 60hz
Windows 7 Home Premium

My System SpecsSystem Spec


 Color/Gradient Banding... Completely at a loss. Tried everything I can

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