HDR/Low Latency bug?

xbox one elite not have 4k resolution or HDR, plus not have low latency mode

Just to be sure. Go to TV and video options and under video modes disable low latency mode, hdr10, auto HDR and Dolby Vision if you use and test games again.

You don't make it clear if you followed the steps in the calibration section of the link I sent, they do make a difference.

For example if you set your tv to "game" or "low latency" mode, you'll find that most tv's turn off hdr support, as it has a major impact in latency on some tvs

I did the nuclear option of Restore your Xbox to factory defaults with the Reset and remove everything option. For good measure I did a few things after the total reset. On my Xbox I turned OFF auto low latency mode. On my TV
to turned ON Game Mode, both in 1080p and HDR, for the Xbox input. I then tested and I did not run into the problem. Then I went into the HDR Calibration Tool, made adjustments, tested, and still no problem presented itself. So moving forward, I’m leaving
OFF low latency mode on my Xbox, and leaving on Game Mode on my TV for the Xbox input.

Hi, Chris! Thank you for reaching out.
I'm AJ, an Independent Advisor for the Xbox Community.

"Auto low-latency mode" allows games to switch a TV into auto low-latency mode (Game Mode).

For your reference, the following information has been quoted from an official Xbox Support article:

"Auto low-latency mode (also known as “game mode”) lets the console tell the display to change latency modes when a game is launched, and then revert after you quit a game."

"Note: Low-latency mode is achieved by the TV disabling its processing features that would otherwise introduce latency. Disabling these processing features may affect picture quality—HDR colors can appear washed out, and contrast and backlighting can appear off because of the trade-off for low latency. Turn off this feature if you don’t like the picture quality."

Source - https://support.xbox.com/help/hardware-network/display-sound/change-tv-display-resolution

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I tried looking up your monitor, but I can't seem to find it without its model number. My apologies.

Unless your monitor has a "Game Mode" you can enable, you will continue to see this setting grayed out.

Best regards.