pit
Newbie Boot Camper
Posts: 3
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Post by pit on Jul 23, 2018 20:49:56 GMT
I can not see Netflix 4k in 4k with Adrenalin 18.5.2 V4.
I have the iMac 27" 2017 with AMD Radeon 580 Pro. Netflix 4k runs neither under Edge nor under the Netflix App.
HEVC Video Extensions for Windows 10 1803 are installed. Are there special settings to see 4k?
I only hav 1980x1020 Maximum Resolution. Please help me.
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Post by Mat HD on Jul 24, 2018 8:02:15 GMT
Downgrade to a lower version
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pit
Newbie Boot Camper
Posts: 3
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Post by pit on Jul 24, 2018 12:16:00 GMT
Which version? Where can I download this version?
Edit:
I have now taken the "W10 x64 Radeon Software Adrenaline 18.5.2 V3 Boot Camp XG Edition" driver - to no avail. I can only watch Netflix in 1920x1080 resolution.
As an earlier version, only version 18.3.4 will be available for download. As far as I know, Netflix 4k is only possible from the official AMD version 18.4.1.
I've checked everything, but with my iMac 2017 it's just not possible to see Netflix in 3840x2160 resolution. I have a fast internet connection with 50 MBit / s. About my SmartTV or AppleTV, I can watch Netflix 4k. I am really at a loss. Does anyone have an idea what it can be? Is there anyone who can watchwith the iMac 2017 and the Radeon 580 Pro Netflix 4k?
Do I have to make special settings on the iMac or the Radeon 580 Pro or Windows 10? Please excuse my bad english.
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Post by Mat HD on Jul 24, 2018 22:34:09 GMT
I will update the drivers in August. Hopefully you will have better luck then.
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Post by colonelblimp on Jul 25, 2018 4:17:37 GMT
I have the 2015 5K iMac, not the 2017, but when I looked into this issue several months ago, even 2017 5K iMac users were reporting that it was not possible to stream 4K video from Netflix. If I recall correctly, the issue was that the Windows-only Microsoft DRM that Netflix uses for their 4K streams requires an HDCP-compliant display. As you may know, in order to drive the 5120x2880 display in the iMac 5K, Apple had to design a custom timing controller that presents two side-by-side 2560x2880 displays to the operating system, and apparently only one of them registers as HDCP-compliant, so Microsoft's DRM balks at streaming the video.
Netflix does not use the same DRM for their 1080p streams, so they play just fine.
Unless Netflix changes or has changed the DRM they use for 4K streams, my understanding (which might be wrong) is that there is nothing a graphics driver update can do to help us.
P.S. Your English is better than that of many native English speakers (at least on the Internet), so there's really nothing to excuse. :-)
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