HDR-capable monitor becomes completely unresponsive when switching between SDR and HDR under certain conditions

S

S7z7g7

I have the Alienware AW3423DW in HDR Peak 1000 mode. Here are the steps to replicate the issue:The relevant system information is as follows:Windows 10 version 21H2Nvidia GPU with GeForce Game Ready Driver version 528.021. Power on computer with HDR already enabled in Windows settings from previous session. The computer will start in SDR mode but will switch to HDR as soon as it reaches the lock screen.2. Launch an application that does not natively support HDR but which runs in exclusive fullscreen (e.g. a non-HDR supported game).3. Tab out of the game and switch off HDR in Windows settings.4

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