Nvlddmkm.sys Error on Windows 10 & 7 {Fixed}

Nvlddmkm.Sys is one of the common Blue Screen of Death Errors on Windows 10. We know, that Windows is the most popular operating system used all over the world. So the developers of windows keep on releasing newer versions of Operating Systems keeping in view, the increasing demands of the users.

In addition with newer versions, we also face some errors that hinder our smooth working on the computer system. Similar to such errors, many of us might have come across to one such error namely ‘nvlddmkm.sys.’ ’while using the Windows OS. In this article, we will talk about this Nvlddmkm.sys Error encountered by windows users and also how to fix this blue screen error.

Nvlddmkm.sys Error

As above mentioned, this is one of the BSOD errors, which shows a popup stating Video_TDR_Faliure (Nvlddmkm.Sys) Error due to which the computer screen goes all blue, eventually causing the system to shut down. Here TDR stands for TimeoutDetection, and Recovery components in Windows. Its purpose is to help stop BSODs by resetting the GPU and/or driver when there is an issue of the long delay. If problems happen too many times in a row, a blue screen of death occurs due to failure of Video_TDR.

Thus, leading to Nvlddmkm.Sys error. This error is faced by most of the users of Windows 7 and above versions. But also there are some workouts by which you can fix this issue and get back to your work without hindrance. Before heading for the methods, you must know the causes which are leading to this error so that you can find an optimum solution for your system.

Solutions to Fix Nvlddmkm.sys Error on Windows 10

In this hectic and fast era, what we need is to do our work without any obstacles so that we can achieve our targets in time, but these small errors of our computer system can really waste our time and cause hindrance. Similarly, this Nvlddmkm.Sys Error is one such obstacle which shuts our system and delays our work. Now, to fix this firstly, we need to find the underlying cause. There can be many reasons behind this error, but the prominent ones are:

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

Users who are using both the Windows 10 Operating System and NVidia GPU encounters this error. Now since you know the causes, you can follow the appropriate method suited in your case, without wasting your time anymore.

Solution 1: Reinstalling the Graphics Card Driver

That TDR failure can be caused by corrupted files. You can repair corrupted files by using dedicated third-party tools ( Google the steps to do so), or the optimum way is the clean reinstall of your drivers which will also replace the corrupted files with files that work properly.

As a matter of fact, faults in the graphics card driver are one of the major issues behind the nulddmkm.sys error. Thus reinstalling the drivers when the error pops out might help to fix the problem. To do so, you can follow the steps given below:-

Step 1: At first, start the system and press the power button to turn off your PC. Then hold the power button key until the PC shuts down automatically. Repeat this step for more than twice until you see “preparing automatic repair.”

Step 2: Wait for few minutes till the options get displayed.

Step 3: Then, click on advanced options.

Step 4: Next, you need to select troubleshoot from choosing an options menu.

Step 5: Again choose an advanced option on the troubleshoot screen.

Step 6: Then select startup settings followed by, clicking on a restart at the right bottom of the screen.

Step 7: Now press the F4 key to enter into safe mode without a network or else if you want to enter the safe mode along with the network then just press F5 key.

These steps [ from Step 1 to 7 ] are basically done to activate the safe mode, which is very important to do before moving on to the main method.

Step 8: After entering into the safe mode (with/without network as per your own wish), press windows key + X together and then, click on device manager.

Nvlddmkm.sys Error

Step 9: Stretch display adaptor tab & then right click on NVIDIA graphics Driver to uninstall it.

Step 10: Then click ok on the dialogue box and check to delete the driver software for this device.

Step 11: Now you can download the newest version of the driver and then proceed to install it from their official website.

Step 12: Navigate to the following

C:\windows\system32\drivers and find nvlddmkv.sys.

Then right click it and rename it to nvlddmkm.sys.old.

Step 13: Press ok for confirming the change made.

Step 14: Proceeding further find NVIDIA folder in C drive of your system and copy paste nvlddmkm.sys file to the desktop.

Step 15: Then, open the command window and type the following commands. expand.exe nvlddmkm.sy_nvlddmkm.sys.

Step 16: Go to C:\drive and copy the latest file created (i.e., nvlddmkm.sys file).

Step 17: At last, paste the copied file into the C:\ Windows \ system 32 \ drivers folder. And then restart your computer.

With this, your computer system, after booting usually will not show the Video_TDR_Failure (nvlddmkm.sys) Windows 10 error again. But if it still pops out, then you should try any of another method as discussed below.

Solution 2: Run A Disk Check on System

Due to faulty disk, your system might face troubles and can cause the BSOD error. Hence to fix this error you need to run a disk check on your system so that you can get rid of the faults in the disc. But while doing so, firstly keep in mind to back up your critical data somewhere so as to avoid Data loss then, proceed further. The steps needed to be followed for running a disk check are:-

Step 1: First of all press Windows key + X.

Step 2: Secondly, click on command prompt and run as administrator.


Step 3: Then type “chkdsk/fc:” command in the command window.

chkdsk /f c:

Step 4: Now after pressing the enter key, it will ask you for permission to run check at the next booting then type Y and press enter.

chkdsk f c

Step 5: Now exit the command windows followed by restarting the computer system.

Step 6: Then the disk checking process will start [it will take near about 20 minutes].

disk checking process

Step 7: At last, you can rectify the errors that will be displayed on the screen (if any).

This is all you need to do and most probably your issue you will be resolved after rectification of error but if by any chance you still see the blue screen of death error stating Video_TDR_failure (nvlddmkm.sys). Then, opt for other ways to get away from it.

Solution 3: Running A Memory Check On the System.

Even after checking the disk, if the error still persists then the cause might be the issue with RAM. If you are lucky enough, then running a memory check might work for you. To do so, you need to follow 5 simple steps:-

Step 1: To begin with, press Windows key + R how to invoke a run command.

Step 2: After that type mfsched.exe in the run box and press ok.


Step 3: Now it’s time to make a choice. Either choose “restart now and check for problems” or “check for problems the next time I restart my computer” (We recommend you to choose the former).

restart now and check for problems recommended

Step 4: Then, wait for 15 to 20 minutes to complete the memory check process.

windows memory diagnostics tool

Step 5: At last, all you need to do is to fix the issue that will get displayed on the monitor.

After completing this test and rectifying the issue you are free from the error but in case, not lucky enough, you can follow below methods, and they will surely work.

Solution 4: Remove Any Conflicting Programs

Might be possible that any recently installed program is causing the nvlddmkm.sys error. No worries, you can fix this by simply deleting the programs that have been installed recently, or you can opt for system restore to earlier date after that you can check whether the error has been fixed or not.

Solution 5: Change The Graphics Card

Is your graphics card overloaded? Many times, the games that we play or applications that we use may overload the graphics card. Thus, check if your graphics card is overloaded, if yes then, this might be causing the error.

To fix this, the most appropriate method is to change the graphics card with a new one. With this simple method, you can get away with the annoying nvlddmkm.sys error easily.

Solution 6: Update Your Windows

For efficient working of the Windows operating system, the developers release new updates every now and then. There is a high possibility that you failed to update your Windows to the latest and in turn causing your system damage and infected from malwares.

Thus, keeping security in mind, update your Windows from time to time with a legal Windows operation system. [Enable its automatic mode to ease your work]. This will not only fix nvlddmkm.sys error but also will solve other problems that you might be encountering.

To check the available updates on Windows 10, you need to follow the steps given below.

Step 1: At first press Windows + I key simultaneously. This will open the Windows setting.

Step 2: Then, click on update security from options.

Update and Security

Step 3: Now select the Windows update tab from the left panel.

Step 4: Click on check for updates option. It will download updates automatically.

Check for Updates

Step 5: Wait for the process completion and at last restart your Windows.

Your error will get fixed.

Solution 7: Use Reimage PC Repair (Strongly Recommended)

This tool helps in boosting system performance and provides protection from malwares and Hardware failures.

Step 1: Download PC repair tool from trustpilot.com.

Step 2: Click on start scan. Errors will get displayed automatically.

Step 3: Lastly, click “repair all,” and now you are good to go as it will fix all parental Technologies issues.


The nvlddmkm.sys error is nothing to worry about as it is very simple to get rid of it. The article mentioned some of the methods by which you can fix this nvlddmkm.sys issue and get relieved. Opt for the method which is most suited to you and always remember to update your Windows from time to time, as half of the problems encountered by your system will get solved only by doing this. And hence enjoy your unhindered chores.


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