- This topic has 7 replies, 2 voices, and was last updated 6 years, 11 months ago by
.
-
Posts
-
I’ve followed all directions to a “T” and my “calibration” is obviously wrong. BUT, it was pretty close to being right for a brief period of time, that is, until I closed DisplayCAL. Now, no matter how many times I re-calibrate, it looks crazy! It blows highlights and is waaaay too green.
Any idea how to get back to the accurate calibration?
Thanks!
With no data there is no answer.
Attach last profile you made, DisplayCAL screenshot in all tabs with the same values as in your last calibration (device, correction if applied, target, profile type…)… all that stuff.
I have pictures of tabs in DisplayCAL here: https://www.dropbox.com/sh/8ro3xtagcx3bto5/AAAdMbBZ1hKd-SVzvHTqDrA-a?dl=0
Please let me know if any other info is needed.
Thank you!
-Missing profile, no way to know what is happening in highlights… you provide no data
-you applied no correction for your Spyder4, so do not expect accurate readings. IDNK which panel/laptop do you use. Search online to find backlight type and then ask here or try to find by yourself a suitable CCSS or measurement mode (upper right 1st screenshot) for Spyder4 and that backlight (LED sRGB screen= WLED, and given Spyder limitations for all widegamut LED = RGB LED or widegamut led or something like that, I do not remember all the names for Spyder4/5 modes)
-Native white (as calibration target) is native white… DisplayCAL won’t modify it. If it is green it will remain green per user request. If you own a laptop with moderate to high contrast (800-1000) and D65 is not to far away from native white you may try that target.
-Highest speed means less grey ramp measurements for calibration. It may or not provide you an accurate calibration in grey.
-Uncheck the checkboxes in verification tab.
Thank you for your help!
-Missing profile, no way to know what is happening in highlights… you provide no data
How do I find this data so that I can provide it. Thank you
-you applied no correction for your Spyder4, so do not expect accurate readings. IDNK which panel/laptop do you use. Search online to find backlight type…
I am using a Dell XPS 15 9570. I have searched Google but cannot seem to find the info for which type of backlight it is.
…and then ask here or try to find by yourself a suitable CCSS or measurement mode (upper right 1st screenshot) for Spyder4 and that backlight (LED sRGB screen= WLED, and given Spyder limitations for all widegamut LED = RGB LED or widegamut led or something like that, I do not remember all the names for Spyder4/5 modes)
I suppose this will make more sense to me once we’ve determined the backlight type? Someone can recommend a setting once we know the backlight, correct?
-Native white (as calibration target) is native white… DisplayCAL won’t modify it. If it is green it will remain green per user request. If you own a laptop with moderate to high contrast (800-1000) and D65 is not to far away from native white you may try that target.
How do I change the target? I am not sure how to manually modify anything within the laptop.
-Highest speed means less grey ramp measurements for calibration. It may or not provide you an accurate calibration in grey.
I did the low calibration, but it was still showing the wrong colors, so I changed it to highest speed just to see if we could change a few things and “get in the right ballpark”.
Also, I have Dell Premiere Color which came installed on the PC. When I closed this application, the calibration that was similar to being correct stopped working and I’ve never gotten it back to normal. Someone else had mentioned removing it:
uninstall premiemcolor management, that 4k display got 100% adobergb .. which is really good, but brightness a bit not enough..
Link to discussion: https://www.dell.com/community/Laptops-General-Read-Only/Can-you-correctly-color-calibrate-the-Dell-XPS-15-9550-4k/td-p/5051293
Thanks again!
In windows you’ll find profiles in C:\Windows\System32\spool\drivers\color. Also DisplayCAL leaves a copy of it in DisplayCAL Roaming folder, you can use DisplayCAL UI to open that folder (up & right open folder icon)
IDNK if there are 2 flavors of “Dell XPS 15 9570”, WLED sRGB (only sRGB) and Widegamut LED (9x% coverage of P3 or AdobeRGB). WLED for 1st one, widegmaut LED or RGBLED for 2nd one… but Spyder4/5 is not really prepared for such backlights.
Also those Dells have some kind of HW calibration feature if you own an i1DisplayPro, “Dell-Premier-Color-Software-Application”If you chose D65 as whitepoint target and you do not modify screen internal RGB gains, then DisplayCAL will correct white using graphics card LUT like in any other display (iMacs, monitor with some presets OSD locked, etc). You loose a little contrast so native white should be “close”, let’s say maybe 10dE max. Measure it, without data IDNK what you are seeing.
Change it in 2nd screenshot, “Whietpoint” combo to Temperature “6500K” + “Daylight”Calibrite Display Pro HL on Amazon
Disclosure: As an Amazon Associate I earn from qualifying purchases.In windows you’ll find profiles in C:\Windows\System32\spool\drivers\color. Also DisplayCAL leaves a copy of it in DisplayCAL Roaming folder, you can use DisplayCAL UI to open that folder (up & right open folder icon)
I’ve now attached a screenshot with the list in that folder. Let me know what you think!
IDNK if there are 2 flavors of “Dell XPS 15 9570”, WLED sRGB (only sRGB) and Widegamut LED (9x% coverage of P3 or AdobeRGB). WLED for 1st one, widegmaut LED or RGBLED for 2nd one… but Spyder4/5 is not really prepared for such backlights.
Does this mean that I cannot use my Spyder 4 with my XPS monitor? I think mine is the Widegamut LED.
Also those Dells have some kind of HW calibration feature if you own an i1DisplayPro, “Dell-Premier-Color-Software-Application”
I do know about the Dell Premier Color software. I have use it during the “measurement” part of DislpayCAL to adjust the gamma, contrast, and other settings in order to get closer to the correct colors. But, I’m guessing this is wrong.
If you chose D65 as whitepoint target and you do not modify screen internal RGB gains, then DisplayCAL will correct white using graphics card LUT like in any other display (iMacs, monitor with some presets OSD locked, etc). You loose a little contrast so native white should be “close”, let’s say maybe 10dE max. Measure it, without data IDNK what you are seeing.
How do I choose D65? Also, how do I modify screen internal RGB gains?
Attach “.ICM” file.
Spyder is not the best pairing, that does not mean you cannot use it but accuracy is not as good as it should be IMHO.
For D65 choose in white point combo “temperature”, then 6500K, then daylight. DisplayCAL won’t modify your dell internal gains, it will use GPU LUT tables to fix white. If distance to target it not too big and you have a moderate to high constrast screen (> 1000:1) correcting white in GPU is not an issue.
In low contrast laptops with TN screens and strong cyan-blue native white correcting white in GPU LUT may have unwanted side effects, so as a general rule “native white” is recomended as whitepoint for laptop calibration. I think that your laptop is not like those low contrast low gamut TN laptops… but measure or search online.
