VIDEO_TDR_FAILURE (0x116) after system unlock – GPU fails to initialize

Gaming and Visualization Technologies General Topics and Other SDKs Drivers - Linux, Windows, MacOS
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Issue Summary:
This issue occurs only in dGPU mode. When the system is locked or idle for ~15–30 minutes (allowing it to enter sleep), unlocking the screen causes the display to freeze, turn black, and the system reboots. Analysis of the crash dump shows a VIDEO_TDR_FAILURE (0x116) in nvlddmkm.sys. The GPU fails to initialize after unlock, and Windows’ TDR recovery fails.

Steps to Reproduce:

  1. Use the system in dGPU-only mode.

  2. Lock the system or leave it idle for ~15–30 minutes to enter sleep.

  3. Unlock the screen.

  4. Within 1–2 minutes, display freezes → black screen → system reboots.

Expected Behavior:
The GPU should initialize correctly after unlock, and the system should continue working normally.

Actual Behavior:
The GPU fails to initialize, causing a VIDEO_TDR_FAILURE (0x116) and system reboot.

Display Connection Details:
Integrated + discrete GPU (no Advanced Optimus), 2560x1600 @ 240Hz, G-SYNC enabled.

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Hi @omurberk12, welcome to the NVIDIA developer forums.

This community serves the developer ecosystem.

For consumer issues, please visit the GeForce forums.

And when posting there please add information about your system, otherwise the information you give is very much out of context.

Thanks!