I just bought a new PC with RTX5070ti and also Alienware AW3225QF but the graphic macam not oomph leh. When I turn on HDR, many games graphic looks like shit. DMC5, Sekiro, etc all look like shit until I turn off HDR and use SDR instead. A bit disappointing to be frank. Anything I left out in terms of setting?

PSA: If you're experiencing dull/dim and washed out colors with HDR passthrough on win10, restart your GPU display device

I had this issue when trying to play HDR content on my LG CX. I followed the setup guide on the wiki but my HDR content was just dull, dim, and had washed out colors unless I turned off windows HDR. Even after restarting my computer, the same issue persisted. I spent a few hours researching for a solution when I stumbled upon a comment here in the HTPC subreddit and a thread post on doom9 about restarting the GPU display device (not the whole computer). I restarted (not reinstalled) my GPU display device and voila, all is fixed. Just thought I would make a post about it since it wasn't exactly easy to find this solution. For reference, I'm using MPC-HC + MadVR installed through K-Lite.

I'll just quote the whole [doom9 post](https://forum.doom9.org/showthread.php?p=1981830#post1981830) below for how to do it.

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I just found that restarting the nvidia display device after the HDR switching bug happens will also clear up the issue if you don't want to do a full reboot.
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Unfortunately the Windows keyboard shotcut (win+ctrl+shift+b) doesn't clear it up, but if you restart the video card with the "pnputil" command line utility it will clear it up and HDR switching should work fine again for awhile without having to reboot.
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If you want to try this workaround, first run this command to get the "Instance ID" of your nvidia display device:
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pnputil /enum-devices /class Display
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Then run the following command in a command prompt with admin rights, replacing <instance id> with your cards id, to restart it:
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pnputil /restart-device "<instance id>"
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Example:
pnputil /restart-device "PCI\VEN_10DE&DEV_1B80&SUBSYS_62863842&REV_A1\4&fa0c5&0&0008"