It's worse than adaptive which is just a brightness sensor, it's Content Adaptive which is the displayed image. My M8 has it. If the image displayed has lighter tones it brightens, if the image has darker tones it darkens. So, with image editing software or even just watching a video, the image is shifting in brightness instead of staying constant. It doesn't cause problems for us, but it does distract or interfere with the work you're trying to do.
Dell XPS 13 & 15
Hey Gurm, thanks for the update on what's happening with you - always interested to hear about your solutions. I've been using my 9560 very comfortably with ditherig enabled on an old version of Windows until recently. Then as I felt confident and wanted to update some features on my laptop I upgraded to the Fall Creator's Update but I think it may be causing me problems now. I feel pretty stupid, broke the first rule of finding a solution in this game - NEVER CHANGE IT WHEN IT WORKS!
So yeah, I'm going to try and live with it for a bit since for some reason the rollback option isn't working for me, but I may be looking at re-installing everything (AGAIN) and going back to an old version. Out of interest, could you kindly upload your LTSB 2015 version of Windows? I have been struggling to get a working download of it. Would be much appreciated.
I can't upload it directly as that's a massive copyright violation, but if you ping me (gurm 4 2 @ <rhymes with WahPoo> dotcom) I can try to assist you.
2 months later
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Any updates if the new Windows update fixes this?
Have you tried Linux on these laptops?
Can anyone find a laptop with Intel Processor but no Intel Integrated Graphics? I'm finding it hard to find it these days. This might: http://www.dell.com/en-us/shop/dell-laptops/new-xps-15/spd/xps-15-9570-laptop/dncwxb1656s?selectionState=eyJGUHJpY2UiOjE2OTkuOTksIk9DIjoiZG5jd3hiMTY1NnMiLCJRdHkiOjEsIk1vZHMiOlt7IklkIjo4LCJPcHRzIjpbeyJJZCI6IkdNVkhFMjMiLCJQcmljZSI6MzUwLjB9XX0seyJJZCI6NTcyLCJPcHRzIjpbeyJJZCI6IkZHMDAwMiJ9XX1dfQ%253D%253D
ryans look here it seems the new intel 10nm chips are being released without intel gpus and use amd because the intel gpus are defective currently for the 10 nm cannonlake chips released thus far
https://www.notebookcheck.net/Cannon-Lake-stumbles-into-the-market-The-IdeaPad-330-15ICN-is-the-first-laptop-with-a-10-nm-CPU.303330.0.html
Intel graphics seem to be OK, at least in certain driver configurations. The machine I use daily is a Dell XPS 13 from 2015, it's a Core i5 with Intel Graphics 550 in it.
4 days later
25 days later
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Is it still possible to to prevent auto updates on Windows 10 LTSB 2015 on XPS 13? Also, Which intel graphics driver is recommended for this device?
After following this forum for a while, I purchased a used XPS 13 9343 (2015) wiped with no operating system, and separatley bought Win10 ENT LTSB 2015 key/ISO off ebay. I booted windows to the device from USB and before establishing an internet connection selected "defer upgrades" and "notify to schedule restart" under the advanced options in windows update. Dissapointingly, after a couple reboots the computer had automatically downloaded and installed a slew of 2018 updates. Does anyone know another way to turn off updates?
As for the graphics driver, after the device auto updated to the 2018 version, I attempted to install 20.19.15.4483 but got the "not meet minimum requirments" window. Does anyone know another old driver that will work on this device?
I'm tempted to try Win 7 or linux. Currently it burns my eyes out within 5 min, but want to give it a fair trial in the correct software configuration before writing it off... and trying something else.
I appeciate all the work that has been done on this forum and would appreciate any suggestion!
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wabamo Hopefully this will work:
https://social.technet.microsoft.com/Forums/windows/en-US/d6a74709-d370-4d81-b311-91935af04872/official-method-to-disable-auto-update-on-ltsb-on-windows-10?forum=win10itprogeneral
It's a group policy. You click on the windows button, then enter "gpedit"
Edit: or maybe "gpedit.msc", not sure anymore
I honestly don't know what to tell you. The 2015 XPS13 (assuming you have the 1080p infinity edge matte screen, not the glossy one) should be ROCK solid on the first release of Windows 10. I don't have it here at work, but when I get home I can see which Intel driver I'm using, and see if I still have the installer.
LTSB will, by the way, get lots of updates... just none that bump up the revision level of the system. I haven't updated mine in a WHILE, I hope that they didn't sneak whatever breaks the screen into a "security" update. 
Gurm and KM, thank you for the quick responses!
KM: In the next couple days I'll reload windows clean to 1507 and insert the group policy, find an older graphics driver that works on 10, and get ditherig.exe running.
Gurm: From what you said I underetand the security updates will not affect the rendering, so long as the edition is still listed as 1507. That's good to know. I'll update when I get everything running-- probably will take a few days to a week before I get to it. Thanks again!
I'm also interested in an XPS13/15 - am I right in thinking that there is no dithering with ditherig.exe running even with the dual Nvidia graphics?
If you use ditherig, on your Dell XPS, do you see banding? I am wondering if there are laptops with high-quality screens that don't need dithering to display 8-bit color.
The Galaxy S9 has a slow-motion camera. Probably not enough FPS for our needs, but worth trying to capture some computer/smartphone screens if you were trying the phone anyway.