Nvlddmkm.Sys Error on Windows 10 is a very common issue. But don’t worry, as we have 5 Ways to Fix nvlddmkm.Sys Error on Windows 10. After following one of these ways, you can overcome this problem. Windows is the most popularly used Operating System across the globe. The developers know about the newer demands of the users, so they regularly release updates and newer versions of the Operating System from time to time.

You can Fix Nvlddmkm.Sys Error on Windows 10 by following these steps:

  1. Reboot Your Windows.
  2. Update the Graphics Card Drivers.
  3. Update Windows to the Latest Version. 
  4. Underclock the GPU. 
  5. Run a Disk and Memory Check on the Computer.
  6. Completely Remove and Re-Install Graphics Card Drivers.

One such error commonly encountered by Windows Operating System users is the Video_TDR_Failure (nvlddmkm.sys) error, which causes the computer screen to go all blue, and eventually, a system shutdown occurs. The first logical step to take when tackling this issue is to update your graphics drivers. This article will discuss the Nvlddmkm.sys error found on Windows Operating System versions 7 and above. There are methods to fix the issue, but more importantly, you need to know the cause of the error, which will help you select the right approach and save you time.

What Is Nvlddmkm?Sys Error On Windows 10?

The Nvlddmkm.Sys error, or video_tdr_failure error, occurs because of an incompatible graphics driver or damaged hardware. It interrupts your work and therefore is referred to as the blue screen of death.” Nvlddmkm. sys failed” message usually pops up during gaming.your pc ran into problem If we break down the word and understand the meaning, The video refers to the display adapter, and TDR stands for Timeout Detection and Recovery. When this error occurs, the entire screen turns blue, and a message prompts, Your PC ran into a problem and needed to restart.”

What Are The Causes Of The Nvlddmkm.Sys Error? 

There are various reasons for this error to take place; here are a few of those: 

Overheating of Graphic Card

If the graphic card overheats, it can kickstart the error. You should always check the temperature of the GPU before changing the settings of the PC or laptop to resolve the graphics card issue. overheating

Many Running processes 

Running too many processes simultaneously in the background can put a load on the GPU, leading to an Nvlddmkm sys crash. running processes

Damaged RAM or Hard Disk 

The damaged RAM or Hard Disk is the leading cause of the blue screen death. You should thoroughly check the system before starting to play to avoid nvlddmkm.sysdamaged ram

Incompatible Graphics driver 

You need a compatible graphic driver to ensure your gaming process is smooth and easy. Without a compatible graphic driver, you may experience an nvlddmkm.sys error. incompatible

How To Fix nvlddmkm.Sys Error On Windows 10

The causes behind the Nvlddmkm.sys error are various, and some of the most prominent ones are:

  • Faulty Graphics Card driver.
  • Conflict of programs with one another.
  • Overloading of Graphics Card.
  • Issues with RAM.

Below are the methods you can use to fix the Nvlddmkm. Sys error on your system. If one does not work out for you, try the others, as they might be useful.

Method 1: Reinstall Graphics Card Driver

Faults in the graphics card driver are one of the significant issues that are behind the Nvlddmkm.sys BSOD Windows 10 error. Thus, one should reinstall the drivers in the first case when this error pops out. In most cases, NVIDIA graphics card shows this issue. Thus this will be used as a reference.

1. First of all, start the system and press the power button to turn off your computer & then hold the power button key until the PC shuts down automatically. Repeat this step more than 2 times until you see the below option, i.e., Preparing Automatic Repair.

Preparing Automatic Repair

2. It will take a few minutes to display the options.

Diagnosing your PC

3. Now click on Advanced Options.


4. Select Troubleshoot from Choose an option menu.

Select Troubleshoot

5. On the Troubleshoot screen, choose Advanced Options.

Advanced Options

6. Afterward, Select Startup Settings.

Startup Settings

7. Then Click on Restart at the bottom right of the screen.

8. Press the F4 key if you want to enter into Safe mode without a network. If you want to enter into safe mode with networking, then just press F5.

Now the system has booted in safe mode. Follow these steps:

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9. Press Windows Key+X together and then, Click on Device Manager.

10. Expand the Display Adapters tab & then right-click on the NVDIA Graphics driver to Uninstall it.

Uninstall NVIDIA Graphics Driver

11. Click OK on the prompt window & check to Delete the driver software for this device before that.

Confirm Device Uninstall

12. Then download and install the latest version of the driver again from their official website.

13. Navigate to the following address C:\Windows\System32\Drivers & find nvlddmkm.sys. Right-click & rename it to nvlddmkm.sys.old.

Rename nvlddmkm.sys File

14. When prompted for confirmation, press OK.


15. Then Find NVIDIA folder in C Drive of your computer system and copy & paste nvlddmkm.sy_ File to the desktop.

Copy Paste nvlddmkm-sy_

16. Open Command Window and type in the following commands:

expand.exe nvlddmkm.sy_ nvlddmkm.sys


17. Now, navigate to C:\ drive & copy the newly created nvlddmkm.sys file.

Copy nvlddmkm.sys

18. Paste the copied file into the C:\Windows\System32\Drivers folder.

Restart your system.

Now, after the system boots usually, you will not find the nvlddmkm.sys Windows 10 error again on your system. If it occurs again, you should look for other fixes as discussed below.

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Method 2: Run a Disk Check on Your System

Many times, the nvlddmkm.sys error is caused due to specific faults in the disk. Thus, it becomes necessary to run a disk check to eliminate this error. Running a disk check involves some risk of data loss. Hence you should keep the critical data backed up before you proceed to the disk check. The steps to be followed for checking the disk are as follows:

1. At First, Press Windows Key+X together.

2. Then Click on Command Prompt and run as Administrator.

Select Command Prompt
3. In the command window, type in the following command:

chkdsk /f c:

4. After you press the Enter key, it will ask you for permission to run a check at the next booting. Type Y and press Enter.


5. Then exit the Command Window and restart the computer system. Now, wait for the disk-checking process to complete. It will take 20 minutes.

Scanning & Repairing Drive

Afterwards, The errors shall be displayed if found. Just rectify those errors.

Once you have rectified the errors in the disk check, your system will not show video_tdr_failure nvlddmkm.sys in Windows 10. But, if you have the issue unsolved yet, you should also try other methods.

Method 3: Run a Memory Check on the System

If disk checking was not sufficient for you to fix the nvlddmkm.sys error, it might be possible that your RAM is causing the error or might have some issues. Thus, run a memory check to fix the issue. The steps which should be followed are:

1. Press Windows Key+R together at First to invoke a Run command.

Run Box

2. Then type mdsched.exe in the run box & hit OK.


3. Now choose either Restart now and check for problems (recommended) or Check for problems the next time I start my computer.

Restart now and check for problems

4. Then, wait for the Memory Check to complete. It will take 15 to 20 minutes.

Windows Memory Diagnostics

Once the errors are displayed, fix them using suitable methods.

After running the test successfully and fixing the errors, your system will not show the nvlddmkm.sys error, but if it does, you should try the methods discussed below as they will help.

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Method 4: Remove Any Conflicting Programs

There is a possibility that any recent installation has caused the nvlddmkm.sys error on your system. We can fix this by removing any recently added programs or restoring the system earlier. Once you do this, check if the error has been fixed. remove any conflicting programsIf it is still popping out on the screen, your graphics card is being overloaded, and you should follow the next method to fix it.

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Method 5: Change the Graphics Card

There is a high possibility that the games or applications you are running are overloading the graphics card, causing the nvlddmkm.sys error. graphics cardThe only solution to this issue is changing the graphics card suited for the application. Once you change the graphics card, your issue shall be solved.

Method #6 Update Your Windows

Microsoft releases new updates to Windows every month. These updates are meant to increase the efficiency of Windows, and if you fail to update your Windows computer to its latest version, it could lead to issues like malware infecting and damaging your system.

For safety, you should use the legal Windows operating system and enable its automatic updates so that half of the issues in your computer won’t even occur. To check the available updates on a Windows 10 computer, you need to follow the steps:

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1. Press Windows + I keys simultaneously. This will open Windows Settings. Click on Update & Security from the options.update your windows

2. Select the Windows Update tab from the left pane. Now click on the Check for Updates option. It will automatically download updates if there are any available.


Check for Updates

3. Wait for some time to let the Windows complete the process. Restart Windows and check if your issue nvlddmkm.Sys been resolved or not?

Resolve Nvlddmkm Sys Failed Windows 10 Error Via Booting The Windows

You can experience this error for multiple reasons, but you can resolve so by practicing one of the easiest methods: booting the windows in safe mode. Safe mode works as a diagnostic mode which helps to understand the source of the problem. Booting the window in the safe zone won’t use the graphic card and will troubleshoot the issues.

Here are the steps to follow: 

Step 1: Turn off your computer thrice to turn on the safe mood and trigger advanced troubleshooting. 

Step 2: Once the options screen prompts, go to troubleshoot, select advanced settings, and click on startup settings.

Step 3: After the process, click the restart button and open Windows. 

Step 4: Once done, move ahead to add a registry file called as TdrDdiDelay. Put 20 seconds of Value Data to prevent the error message of the thread. 

Step 5: No move to the modification of the registry; press Windows + R key and, at the same time, open the run program. 

Step 6: Type regedit and go ahead. Click Yes when UAC is prompted on the Windows. Right-click on the blank spaces and click New

Step 7: Select DWORD(32-bit), rename the file to TdrDdiDelay and change the value to 20. Click OK and restart your computer.


How do I fix the blue screen video TDR failure error?

You can fix the blue screen video TDR error by performing multiple solutions like updating and reinstalling graphic drivers, changing the power management settings, cleaning your running programs, etc.,

Can RAM cause nvlddmkm.sys failed error?

The nvlddmkm. Sys error can be caused by RAM failure. It happens when RAM doesn’t receive a response in a certain time frame.

How do I reinstall or update NVIDIA graphic driver on Windows 10?

You can do this by using the device manager on the laptop, or you can also do so by visiting the official website of NVIDIA.

Is it safe to disable TDR?

If you disable the TDR, you remove a valuable layer of protection; therefore, it is recommended not to disable it. Disabling the TDR can cause the debugger to fail, leading to GPU failure.


These were the methods that will fix the nvlddmkm.sys error in your Operating System, whether a Windows 7 or a later version. It is advisable to keep the system updated so that such errors do not occur.


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