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Acer XB271HU- share your experience and show pics! - Page 583

post #5821 of 7841
Quote:
Originally Posted by patrickula View Post

Anyone else experience issues with black crush on this monitor?
I'm not sure what's up with my setup but I fail the Lagom black level test ( http://www.lagom.nl/lcd-test/black.php ) pretty seriously, only barely being able to make out the fourth or fifth square from the background. I've got similar settings in my OSD to others in this thread and a calibration profile I downloaded here as well.

The weird thing is I pass the test just fine if I open the same image in Photoshop instead of Chrome. The issue is noticeable in games as well so it's not just limited to Chrome unfortunately.
Here's a rough shot of how the image looks in Photoshop above and Chrome below:


I don't do great on the Lagom gamma test either but the black level is my biggest concern currently. I'm pretty happy with this monitor otherwise... any ideas?
What happens if you don't load the calibration profile? Do you not have issues with black crush in Chrome? In my particular case (and probably many others), the gamma on my monitor is screwed up where dark shades are too bright, so the calibration that I posted corrects for this and makes dark shades darker. If your monitor doesn't have this problem naturally, then using a profile for a monitor that does could cause that black crush.

If you turn off the profile and shades appear to be correct, then you're probably better off just disabling the profile altogether. You might already have a really good gamma, and that's really the main benefit to using a color profile that someone else has made. You can just eyeball the correct RGB settings, try the recommended ones from here, etc. until you find a whitepoint that you're satisfied with.
post #5822 of 7841
Quote:
Originally Posted by nefrusy View Post

What happens if you don't load the calibration profile? Do you not have issues with black crush in Chrome? In my particular case (and probably many others), the gamma on my monitor is screwed up where dark shades are too bright, so the calibration that I posted corrects for this and makes dark shades darker. If your monitor doesn't have this problem naturally, then using a profile for a monitor that does could cause that black crush.

If you turn off the profile and shades appear to be correct, then you're probably better off just disabling the profile altogether. You might already have a really good gamma, and that's really the main benefit to using a color profile that someone else has made. You can just eyeball the correct RGB settings, try the recommended ones from here, etc. until you find a whitepoint that you're satisfied with.

Black crush didn't seem much better or worse using the profile I grabbed here VS using the default SRGB one (though other colors did seem a bit improved).
Sounds like I'll have to get my hands on a calibration tool!
post #5823 of 7841
Quote:
Originally Posted by patrickula View Post

Black crush didn't seem much better or worse using the profile I grabbed here VS using the default SRGB one (though other colors did seem a bit improved).
Sounds like I'll have to get my hands on a calibration tool!
If you're an Amazon Prime member, the i1Display Pro is going on sale for their Prime Day in about 50 minutes. I have the cut-down version of that colorimeter, the ColorMunki Display, which I'm very happy with. I'd recommend either of those, if you can find them on sale.

Edit: Sale price of $189 is pretty good, though you can get the ColorMunki for $130 sometimes.
Edited by nefrusy - 7/12/16 at 7:12am
post #5824 of 7841
Quote:
Originally Posted by nefrusy View Post

If you're an Amazon Prime member, the i1Display Pro is going on sale for their Prime Day in about 50 minutes. I have the cut-down version of that colorimeter, the ColorMunki Display, which I'm very happy with. I'd recommend either of those, if you can find them on sale.

Edit: Sale price of $189 is pretty good, though you can get the ColorMunki for $130 sometimes.

Thanks for the tip, definitely a decent discount though still not really cheap... but neither was the monitor! I'll give it a shot. It will hopefully prove useful for more displays than just this one.
post #5825 of 7841
Quote:
Originally Posted by patrickula View Post

Thanks for the tip, definitely a decent discount though still not really cheap... but neither was the monitor! I'll give it a shot. It will hopefully prove useful for more displays than just this one.
I actually bought my ColorMunki about 4 years ago for my Dell U3011, and since then have profiled my XB271HU, as well as my laptop, work monitors... flat screen TV... and my friends' TVs and monitors. You can definitely get your money's worth out of a colorimeter.
post #5826 of 7841
Question should I set the GPU to handle scaling or just leave it at default and let the display do it? High end system or not I'm still going to be loading up Starcraft or Diablo 2 every now and again! biggrin.gif

Am I right in thinking G-Sync monitors can't handle scaling when G-Sync is enabled?
post #5827 of 7841
Quote:
Question should I set the GPU to handle scaling or just leave it at default and let the display do it?
whats the difference actually ?

the default seems to be Display - should I leave it at that ?
The Green Beast
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The Green Beast
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Intel i7 3770K @ 4500 Mhz ASRock Z77 Pro3 Gigabyte GTX 1080 G1 Gaming Crucial Ballistix 2x8GB DDR3-1600 
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SSD Crucial M550 500GB SSD Samsung 850 Evo 1TB HDD Seagate 7200rpm 3TB Cooler Master Hyper 212 EVO; Xilence X5 
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Windows 10 Pro 64-bit Acer Predator XB271HU 27" IPS Gsync 1440p 165Hz CM Storm QuickFire XT Cherry Red 800W modular 
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Fractal Design Define R4 Black Logitech G900 Chaos Spectrum SteelSeries QcK+ 4mm SK Gaming Realtek On-board 
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post #5828 of 7841
I leave scaling mode at none. A few months back, I read that gsync indeed has issues with custom resolution and scaling. That is why I select perform scaling on GPU.
post #5829 of 7841
Quote:
Originally Posted by shafat77 View Post

I leave scaling mode at none. A few months back, I read that gsync indeed has issues with custom resolution and scaling. That is why I select perform scaling on GPU.
this only affects custom smaller resolutions/older games ?

if you play at native 1440p then its irrelevant what you have selected for scaling options ?
The Green Beast
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SSD Crucial M550 500GB SSD Samsung 850 Evo 1TB HDD Seagate 7200rpm 3TB Cooler Master Hyper 212 EVO; Xilence X5 
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Windows 10 Pro 64-bit Acer Predator XB271HU 27" IPS Gsync 1440p 165Hz CM Storm QuickFire XT Cherry Red 800W modular 
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The Green Beast
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SSD Crucial M550 500GB SSD Samsung 850 Evo 1TB HDD Seagate 7200rpm 3TB Cooler Master Hyper 212 EVO; Xilence X5 
OSMonitorKeyboardPower
Windows 10 Pro 64-bit Acer Predator XB271HU 27" IPS Gsync 1440p 165Hz CM Storm QuickFire XT Cherry Red 800W modular 
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post #5830 of 7841
Quote:
Originally Posted by Overhaze View Post

Question should I set the GPU to handle scaling or just leave it at default and let the display do it? High end system or not I'm still going to be loading up Starcraft or Diablo 2 every now and again! biggrin.gif

Am I right in thinking G-Sync monitors can't handle scaling when G-Sync is enabled?
You should fire up Starcraft and see which you prefer. I find that GPU and most display scaling leaves something to be desired. You'll have to check scaling with GS on. I presume GS will work with GPU scaling (it does with my XB270HU) and display scaling won't.
Quote:
Originally Posted by ChevChelios View Post

this only affects custom smaller resolutions/older games ?

if you play at native 1440p then its irrelevant what you have selected for scaling options ?
Yes, scaling only affects games or other software running fullscreen at a lower than native resolution.


At both of you if you aren't already aware: Be sure to run with aspect ratio scaling rather than fullscreen if you want a correctly scaled image. With fullscreen scaling you won't have black bars but, things will be too fat, short, thin, etcetera.
Edited by Shardnax - 7/13/16 at 7:56am
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