UPDATE: I tracked it all the way down to one of many console updates turning on “NIGHT MODE”, particularly setting it to “Block HDR”.
https://solutions.microsoft.com/en-us/xbox/discussion board/all/hdr-dolby-vision-no-longer-working-on-xbox-series/68e50656-0919-4464-a771-fbadb13bd381
After one of many current console updates (inside the final 2-3months), I’ve observed that HDR is not working for any recreation on my Xbox Sequence X. All required verify containers below the ‘Video Modes’ sub-menu are current and I beforehand had all inexperienced ticks (and no errors) within the ‘4K TV Particulars’ sub-menu.
I’ve not made any setting adjustments to my Xbox or TV, and my gaming {hardware} setup/gear has additionally remained precisely the identical. I’ve written beneath in nice element as I merely need to keep away from being requested to repeat unecessary troubleshooting, present Tech Help with as a lot useful info as potential and supply different prospects experiencing comparable with a well-documented problem log.
Particulars & Troubleshooting accomplished to date: REFER TO MY POST ON MICROSOFT WEBSITE (Linked Above)
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Three pictures of my numerous Xbox console settings have been uploaded, so these must be seen.
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Turned off and unplugged all units, show cables and energy cables, then reconnect all objects after ready 1hr+
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Verified that the identical HDMI TV port and cable efficiently show HDR 10 / Dolby Imaginative and prescient for my Apple TV 4K field (THIS IS NOT A TV OR CABLE ISSUE)- Swapped HDMI TV port and cable anyway and examined xbox console to keep away from being requested to take action afterward.
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Unchecked/energy cycle/rechecked all HDR/DV settings below ‘basic’>television show choices>superior>video modes.
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Carried out comparable toggle and energy cycle course of for 60/120Hz, 1080p/4K decision show settings to attempt to rule out a setting bug.
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Manufacturing facility reset my console by way of the obtainable console system setting menus.- Launched a number of video games to check each present technology and backwards compatability.
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Used the useful onscreen sign info software on my LG C1 OLED TV to substantiate that the sign acquired from the Xbox console is just SDR, whereas my Apple TV 4K field provides full 4K HDR/DV utilizing the identical HDMI cable & port.
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Linked my console to a buddy’s appropriate TV and repeated all the identical steps above with the identical final result.
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I’ve already acquired a cellphone name from Microsoft Xbox Help the place we simply repeated the identical troubleshooting that I already carried out listed above. No decision was achieved or additional help provided.
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There’s a clear contradictory bug proven within the ‘4K TV Particulars’ guidelines the place “HDR10 for gaming” and “Your TV helps Dolby Imaginative and prescient” is inexperienced ticked, however on the identical time theres an error for “Your TV setup would not help HDR10 video. Content material will not be proven in HDR”.
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I’ve a STRONG suspicion {that a} current firmware replace that Microsoft pushed to consoles has damaged HDR.
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If HDR performance can’t be restored inside an inexpensive time frame, I should return my Xbox console below Guarantee as it isn’t delivering the core efficiency options as marketed.
SIDE NOTE TO MICROSOFT/XBOX SUPPORT, SEPARATE ISSUE: There’s a nicely documented (on this help web site) and long run problem on the Xbox platform the place there’s a important Audio Lag/desync/latency when sending audio sign by way of ARC/eARC. The audio lag is made even worse when the Dolby Atmos format is chosen, however is current with all stereo/dolby codecs that I’ve examined. Conversely, this problem is NOT current on different gaming consoles like Ps. There was zero response from Microsoft/Xbox help on this problem in quite a few already-existing ‘Ask A Query’ posts now 1-2years outdated. Please acknowledge.
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Console Mannequin: Xbox Sequence X (related on to the TV HDMI 2.1 port)
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Console Firmware: 10.0.22621.1836 (final up to date 09 September 2022)
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TV Mannequin: LG C1 65inch OLED (HDR10, Dolby Imaginative and prescient, 4K 120Hz appropriate)
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Cable: Microsoft’s OE equipped extremely excessive pace HDMI 2.1 cable with console