XPS 9550 + 4K panel screen flicker thread.

Let's get a list of who has the 4k panel & screen flicker at any brightness setting so I can present this to Dell the next time I call and they tell me they have never heard of this problem before (the default response)
If you have the FHD (1080) panel please don't reply as the initial fix seemed to be aimed at the FHD customers that in turn broke our 4k panels.
Dell may need to split the BIOS into 2 to fix specific panel types so we need to get a case going.

Please list the BIOS versions you tried, personally the A10 BIOS seems best for me and the latest official Dell intel driver.

so for me I live between 17-25% screen brightness indoors where I spend 99% of my time on the laptop.

• A10 works best, I have had to roll back to this.
• A11 causes a near constant flickering
• A12 is a little better but still at least 3 per minute

If you want to try older BIOS versions they are here http://ift.tt/2bOBgqY use Ctrl + F then search for BIOS.

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XPS 9550 + 4K panel screen flicker thread.