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Nvidia - Nvlddmkm.sys error message

November 2015

Nvidia - Nvlddmkm.sys error message


The symptoms are:
  • A flickering creen.
  • A frozen screen.
  • The screen is totally black.
  • A blue screen of death with the "Nvlddmkm.sys error message".


Step 1

  • Go to the NVIDIA folder:
    • C:\NVIDIA
  • Look for the file named as "nvlddmkm.sy_" (C:\NVIDIA\DisplayDriver « version number of driver (example : 186.81) » InternationalDisplaynvlddmkm.sy_ )
    • Note that: The location of this file may vary depending on the OS used.
  • Copy the file at the root of C: C:\nvlddmkm.sy_

Step 2

  • Go to the system folder where the drivers are stored :
    • C:\Windows\System32\drivers\
  • Once in this folder, locate the the "nvlddmkm.sys" file and rename as it "nvlddmkm.sys.old"

Step 3

  • Open the command prompt:
  • Type the following commands:
  • "cd" and press the Enter key.
  • "expand.exe nvlddmkm.sy_ nvlddmkm.sys" and then press Enter
    • This command allows you to unzip the nvlddmkm.sys file- previously saved at the root of C and thus creating a new instance of the file.
  • Copy this file to C:\WindowsSystem\32drivers
  • Restart your PC
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See also

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Original article published by Alexis-pires. Translated by jak58. - Latest update by deri58
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