How To Fix “Nvlddmkm.Sys Failed” Issue

Nvlddmkm.Sys Failed

Windows users, particularly those fond of gaming or utilizing graphic-intensive applications, may encounter the “nvlddmkm.sys failed” error.

This message is more than a minor inconvenience; it can significantly hamper your system’s performance.

With this comprehensive guide, you’ll understand the causes of this error and follow step-by-step solutions to rectify it.


Nvlddmkm.Sys Failed

Causes of Error “Nvlddmkm.sys Failed” Error

Here are some of the common causes to this error:

1. Outdated or Corrupted Graphics Driver: “Nvlddmkm.sys” is associated with Nvidia’s graphics drivers. If these drivers are outdated or corrupted, it could lead to the “nvlddmkm.sys failed” error.

2. Overheating of the Graphics Card: Overuse of graphic-intensive applications can cause the graphics card to overheat, triggering this error message.

3. Faulty System Memory: Faulty or failing system memory can also give rise to this error.

Solution 1. Update Graphics Driver

Updating your Nvidia graphics driver is one of the most straightforward solutions. Here’s how:

Step 1: Press the Windows key + X simultaneously. A menu will pop up. Click on “Device Manager” from the list.

Step 2: In the Device Manager window, find “Display adapters” and click on the arrow to expand the list.

Step 3: Identify your Nvidia graphics card from the dropdown list, right-click on it, and select “Update driver” from the context menu.

Step 4: You’ll see two options. Select “Search automatically for drivers”. This allows Windows to search your computer and the Internet for the latest driver software.

Step 5: If Windows finds a newer driver, it will download and install it automatically. Once done, reboot your system and check if the error has been resolved.

Solution 2. Monitor Graphics Card Temperature

Overheating can often cause the “nvlddmkm.sys failed” error. Here’s how you can monitor your graphics card’s temperature:

Step 1: Download a GPU monitoring tool like HWMonitor or MSI Afterburner.

Step 2: Install the tool and open it. You’ll see various information about your PC’s hardware, including GPU temperature.

Step 3: If the temperature is too high (typically above 85°C, though it varies based on the graphics card model), consider the following solutions:

Clean your PC: Dust buildup can obstruct airflow and cause overheating. Use compressed air to clean your PC and its vents.

Improve PC ventilation: Ensure your PC has enough space around it for proper airflow. If it’s in an enclosed space, consider moving it.

Reduce graphics load: Lower the graphics settings in your applications or games. This reduces the workload on your GPU and can lower the temperature.

Solution 3. Run Windows Memory Diagnostic

Faulty or failing system memory can cause a range of errors, including “nvlddmkm.sys failed”. Here’s how to diagnose memory issues:

Step 1: Save all your open files and close all programs.

Step 2: In the Start menu, type “Windows Memory Diagnostic” and click on it.

Step 3: You’ll see two options. Select “Restart now and check for problems (recommended)”. This will reboot your PC and start checking for memory issues. The process might take some time, so be patient.

Step 4: Once the test is complete, Windows will restart again. You can see the test results in the Notification Center.

If the Memory Diagnostic tool finds any problems, you may need to replace your RAM. Consult with a professional if you’re not comfortable doing it yourself.


The “nvlddmkm.sys failed” error can be daunting, but with knowledge of its causes and step-by-step solutions, it’s a problem you can conquer.

Updating graphics drivers, monitoring the graphics card temperature, and checking system memory can help you regain control of your system performance.


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