How to fix Nvlddmkm.sys error: Windows 10, Windows 11

How to fix Nvlddmkm.sys error: Windows 10, Windows 11

If your Nvidia game play is being interrupted by a frozen screen, a black screen, or a blue screen of death with an Nvlddmkm.sys error message, try not to panic. This article will teach you how to fix this error message by creating a new file instance that can help your system get back on track.

How to fix Nvidia Nvlddmkm.sys error message?

  • Go to your NVIDIA folder (located in C:\NVIDIA), and look for the file named

  • Next, copy the file at the root of C:. In most cases, this file name is C:\nvlddmkm.sy_.

  • Now, head to the system folder that houses your drivers (in many cases, this is C:\Windows\System32\drivers\).
  • Locate the nvlddmkm.sys file, and rename it as nvlddmkm.sys.old.
  • Now, open the command prompt by pressing the Windows key + R and typing cmd.
  • Type cd, followed by the Enter key. Then, type expand.exe nvlddmkm.sy_ nvlddmkm.sys, and press Enter again.
  • This command will allow you to unzip the nvlddmkm.sys file (which was previously saved at the root of C:) and create a new file instance.
  • Copy the new file to C:\WindowsSystem\32drivers, and then restart your PC to let the changes take effect.
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