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Recent content by lpcstr
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L
Dell U2412M flickering
After sitting overnight it appears to be back to normal. Here is the program: http://pastebin.com/Atq2Ci1E Compile and use at your own risk I guess. Apparently some monitors can't handle this (which is ridiculous IMO) and also people with epilepsy beware. -
L
Dell U2412M flickering
I ran a simple program that displays a full screen window and alternates between red and green at 60Hz. If you absolutely must know why I was simply testing for dropped frames, not important. So, flashing colors, really fast. Ran it for like 10 - 15 seconds and now my monitor is screwed up... -
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Dell U2412M gamma issue
That's a 16:9 display. I really need the extra vertical space. I'm not sure how VA compares to an 8-bit IPS but I know I certainly don't need 240Hz capability. I would probably prioritize photo editing before gaming. I don't game much, but when I do I certainly don't want to have an issue like... -
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Dell U2412M gamma issue
Returning it would likely be easy. Finding a suitable replacement however wont be trivial. For starters, I was able to get this U2412M from a local retailer. It's much harder to find higher end monitors at these places which means I would have to order one online. If for any reason I had a... -
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Dell U2412M gamma issue
As near as I can tell the only way to apply a gamma correction to a monitor without it looking like crap is to either 1. have a graphics card that performs dithering when converting the 16-bit LUT values to 8-bit, or 2. have a monitor which has a programmable internal LUT with more than 8-bits... -
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Dell U2412M gamma issue
That curve actually lowered my gamma to about 1.9, and it displays banding as well. -
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Dell U2412M gamma issue
I don't understand. I have never used argyllCMS, but unless it subverts the graphics driver or monitor firmware, then the only option it has to apply a gamma adjustment is though the same exact LUTs, and therefor will still produce banding for the same exact reason. -
L
Dell U2412M gamma issue
They are visible more or less through the entire range but they are most obvious in the low end since the human eye is more sensitive to change there. It doesn't matter which direction you adjust the gamma, both look equally bad. The xrite tool isn't going to help me. I've already stated what... -
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Dell U2412M gamma issue
Nvidia control panel allows adjustment of gamma in 0.01 increments which is probably overkill to start with. Like I said, this display has a gamma of approximately 2.0, which means I need to set gamma correction to 0.9 in order to get an overall gamma of 2.2. Banding becomes apparent at 1.01 and... -
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Dell U2412M gamma issue
It's not a question of how much I adjust the gamma. Adjusting gamma even the slightest through window monitor calibration or Nvidia control panel causes the banding artifacts. Both of these tools work the exact same way. They utilize the GPU's LUTs. So unless a program like argyll cms utilizes... -
L
Dell U2412M gamma issue
How is that going to solve the banding issue? What is argyll cms going to do that Windows or the graphics driver isn't? -
L
Dell U2412M gamma issue
I just bought a Dell U2412M and I would like to calibrate it but I have ran into an issue. The display only supports two gamma modes (2.2 and 1.8), the problem being that the 2.2 mode is actually close to 2.0 in reality. As far as I know the only other way to adjust the gamma is with the Windows...