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Acer XB271HU- share your experience and show pics! - Page 617

post #6161 of 7841
If there wasn't significant BLB I'd probably keep it. I don't know how forgiving I'd feel at full price.
post #6162 of 7841
Quote:
Originally Posted by ramoneitor23 View Post

Yeah I realized that while reading the thread. The blue tint is driving me crazy though. So you would keep the second one? No dead pixels on either of them

Major victory that both have no dead or stuck pixels. Keep the 2nd one, send the 1st back. Be done with the nonsense and enjoy this awesome monitor. I've gone through 10-12 of these (lost count) and can say that 100% perfection does not exist. Keep the better one (2nd one) and don't look back!
post #6163 of 7841
Eh. The better one was sent to update the FW so can't return it. Even though it's perfect, I will just sell it online since I think it's too much monitor for me. Thanks for your help smile.gif
post #6164 of 7841
I wish someone could actually dump and upload the firmware. I'd love to see if the RT809F can self update people's firmware without them having to mail the monitor back...

I made a thread long ago requesting if someone wanted to get the ball rolling so people could upgrade their own monitors and avoid having to "buy" new panels just for firmware features being added into identical circuitry and panels, but no one replied or cared. Yet people still keep asking for firmwares to be released and not having to send their panels in anyway frown.gif
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post #6165 of 7841
Quote:
Originally Posted by EverSF View Post

Has there been any "solution" or steps-to-success when it comes to the yellow, or dull, tint reported by some users?

I'm a new owner of this monitor. I purchased shortly after I got the Dell S2716DG, which I liked but felt was a bit washed out and lacking vibrancy.

I was excited to side-by-side the two panels as I figured the Acer would be much more vibrant. It is a bit prettier during World of Warcraft, however what's bugging me is the lack of quality in the whites, particularly noticed while using Google Chrome. It has a muddy tint. Like it's lacking "white vibrance".

I've used the ICC found in this thread. I'm yet to go through all 600 pages but have set the panel according to basic suggestions found online.

Like most things in life I figure we typically need to choose one benefit or the other. I guess I was hoping at this price point I could have both: vibrant, rich colors while gaming, and refined, vibrant colors while surfing the next. TBH that seems like the same benefit, with speed being the other (which both monitors have tongue.gif )

I'm currently leaning towards the Dell, which isn't what I expected. But I want to believe! Thanks in advance for any guidance for this apparently-known 'issue'.

Following up on this in case anyone has any advice. Thanks again.
Edited by EverSF - 8/24/16 at 9:53pm
post #6166 of 7841
Is it possible to automatically increase monitor brightness whenever ulmb is used and set it back to the normal/previous value in non-ulmb mode ? I see there is software to control the monitor settings but I have not figured out how to control the brightness since changing its value has no effect. The software is called softMCCS.
post #6167 of 7841
Quote:
Originally Posted by EverSF View Post

Has there been any "solution" or steps-to-success when it comes to the yellow tint reported by some users?

I'm a new owner of this monitor. I purchased shortly after I got the Dell S2716DG, which I liked but felt was a bit washed out and lacking vibrancy.

I was excited to side-by-side the two panels as I figured the Acer would be much more vibrant. It is a bit prettier during World of Warcraft, however what's bugging me is the lack of quality in the whites, particularly noticed while using Google Chrome. It has a muddy yellow / green tint. Like it's lacking "white vibrance".

I've used the ICC found in this thread. I'm yet to go through all 600 pages but have set the panel according to basic suggestions found online.

Like most things in life I figure we typically need to choose one benefit or the other. I guess I was hoping at this price point I could have both: vibrant, rich colors while gaming, and refined, vibrant colors while surfing the next. TBH that seems like the same benefit, with speed being the other (which both monitors have tongue.gif )

I'm currently leaning towards the Dell, which isn't what I expected. But I want to believe! Thanks in advance for any guidance for this apparently-known 'issue'.
You probably shouldn't bother using someone else's color profile... there is quite a bit of variance between panels, so one person's monitor may be very yellowish, while another's is neutral or blueish. The only reason I'd bother with a profile is if you want to fix the gamma, but even that should be good enough in most cases.

If you want to fix your whites, the best option is to use a colorimeter and manually adjust your RGB settings. If you don't want to spring for one (or don't know someone who has one), then the best you can do is eyeball it and play with the RGB sliders until it's at something you like. In your case, if you have a yellowish/greenish tint, then you just need to drop green a decent amount, maybe red slightly as well. Try something like R95-G90-B100 for your R-G-B values. The downside to reducing the channels is it reduces the contrast of the monitor. If it looks good with my recommended setting, you could try to raise red and green a bit to keep the contrast higher.

Regarding the S2716DG, I think people overstate how much better IPS is than TN, when it comes to colors. Here's a quick rundown of the advantages and disadvantages of the XB271HU over the S2716DG:
  • Pro: No gamma shift - colors won't shift & fade at the top and bottom of screen due to TN (see http://www.lagom.nl/lcd-test/viewing_angle.php)
  • Pro: No interlace artifacts - on S2716DG in fast moving scenes, bright colors will exhibit vertical stripes (see https://pcmonitors.info/wp-content/uploads/2016/03/S2716DG-interlace-patterns.jpg from review https://pcmonitors.info/reviews/dell-s2716dg/)
  • Pro: Less grainy AG coating - You may notice the S2716DG has a thicker anti-glare coating, which causes bright colors to look a little sparkly or smudged. It shouldn't be as noticeable on the XB271HU.
  • Con: Slower pixel transitions - The S2716DG has faster pixel response times, so there's a little less ghosting... depending on how sensitive you are, you may or may not notice the difference. Where it really comes into play is for ULMB mode... the S2716DG will handle it much better. On the XB271HU the ULMB mode is nearly unusable IMO... it has a double image for the bottom half of the screen!
  • Con: IPS glow - for dark scenes, you may notice that blacks have almost a reflective sheen on them on the IPS panel... especially in the corners. It can be distracting if you play a lot of dark games (ex. The Witcher 3).

In all honestly, choosing between a good IPS and good TN is sort of a tossup. For color quality, you trade gamma shift (TN) for IPS glow. Personally, the deal-breaker for me on my PG278Q (similar to the Dell) was the interlace artifacts. At first I could live with it, but it drove me nuts after a while.
Edited by nefrusy - 8/25/16 at 7:00am
post #6168 of 7841
Quote:
Originally Posted by nefrusy View Post

You probably shouldn't bother using someone else's color profile... there is quite a bit of variance between panels, so one person's monitor may be very yellowish, while another's is neutral or blueish. The only reason I'd bother with a profile is if you want to fix the gamma, but even that should be good enough in most cases.

If you want to fix your whites, the best option is to use a colorimeter and manually adjust your RGB settings. If you don't want to spring for one (or don't know someone who has one), then the best you can do is eyeball it and play with the RGB sliders until it's at something you like. In your case, if you have a yellowish/greenish tint, then you just need to drop green a decent amount, maybe red slightly as well. Try something like R95-G90-B100 for your R-G-B values. The downside to reducing the channels is it reduces the contrast of the monitor. If it looks good with my recommended setting, you could try to raise red and green a bit to keep the contrast higher.

Regarding the S2716DG, I think people overstate how much better IPS is than TN, when it comes to colors. Here's a quick rundown of the advantages and disadvantages of the XB271HU over the S2716DG:
  • Pro: No gamma shift - colors won't shift & fade at the top and bottom of screen due to TN (see http://www.lagom.nl/lcd-test/viewing_angle.php)
  • Pro: No interlace artifacts - on S2716DG in fast moving scenes, bright colors will exhibit vertical stripes (see https://pcmonitors.info/wp-content/uploads/2016/03/S2716DG-interlace-patterns.jpg from review https://pcmonitors.info/reviews/dell-s2716dg/)
  • Pro: Less grainy AG coating - You may notice the S2716DG has a thicker anti-glare coating, which causes bright colors to look a little sparkly or smudged. It shouldn't be as noticeable on the XB271HU.
  • Con: Slower pixel transitions - The S2716DG has faster pixel response times, so there's a little less ghosting... depending on how sensitive you are, you may or may not notice the difference. Where it really comes into play is for ULMB mode... the S2716DG will handle it much better. On the XB271HU the ULMB mode is nearly unusable IMO... it has a double image for the bottom half of the screen!
  • Con: IPS glow - for dark scenes, you may notice that blacks have almost a reflective sheen on them on the IPS panel... especially in the corners. It can be distracting if you play a lot of dark games (ex. The Witcher 3).

In all honestly, choosing between a good IPS and good TN is sort of a tossup. For color quality, you trade gamma shift (TN) for IPS glow. Personally, the deal-breaker for me on my PG278Q (similar to the Dell) was the interlace artifacts. At first I could live with it, but it drove me nuts after a while.

Thanks for this Nefrusy.

Quick follow-up regarding the interlace.

During the UFO test there's an option to add vertical bars in the background. I think there's three settings. Wide, thin, and checkered maybe?

In any case, I'm curious what they should actually look like in a "winning" case. The Acer placed all the bars in like. There wasn't any separation. The Dell offset/separated the bars. I'm not sure which is better or if this might be related to what you mentioned.
post #6169 of 7841
Quote:
Originally Posted by dx234 View Post

Is it possible to automatically increase monitor brightness whenever ulmb is used and set it back to the normal/previous value in non-ulmb mode ? I see there is software to control the monitor settings but I have not figured out how to control the brightness since changing its value has no effect. The software is called softMCCS.
I could be wrong, but I think the monitor secretly keeps track of two brightness settings. For example, if you are at 25 brightness and turn on ULMB for the first time, it secretly is using 100 brightness for ULMB mode. When you go to the brightness setting, it might show 25 still, but if you adjust it up or down, the brightness will suddenly drop off sharply because it actually changes from 100 down to 24/26.

If I'm right about that (can't confirm, currently at work), then the way to fix it if you've already messed with the brightness settings is, turn on ULMB mode and change brightness to 100, then turn of ULMB mode and put brightness at whatever setting you normally use. I think at that point, it will remember 100 brightness for ULMB, even if it doesn't say so on the menu when it's on. The firmware / OSD for this monitor really sucks... thankfully you only need to use it like once a year after everything is set.
post #6170 of 7841
Quote:
Originally Posted by nefrusy View Post

I could be wrong, but I think the monitor secretly keeps track of two brightness settings. For example, if you are at 25 brightness and turn on ULMB for the first time, it secretly is using 100 brightness for ULMB mode. When you go to the brightness setting, it might show 25 still, but if you adjust it up or down, the brightness will suddenly drop off sharply because it actually changes from 100 down to 24/26.

If I'm right about that (can't confirm, currently at work), then the way to fix it if you've already messed with the brightness settings is, turn on ULMB mode and change brightness to 100, then turn of ULMB mode and put brightness at whatever setting you normally use. I think at that point, it will remember 100 brightness for ULMB, even if it doesn't say so on the menu when it's on. The firmware / OSD for this monitor really sucks... thankfully you only need to use it like once a year after everything is set.

I am afraid the monitor does not support two brightness levels, I just tried it out. The brightness is still lower than 100%
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