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If you call a support person gve them this info Stop code VIDEO TDR FAILURE What failed atampag.sysBlue screen of death (BSOD) Video TDR failure nvlddmkm.sys or Video TDR failure atikmpag.sys is the most common display driver or graphics card error on Windows OS. If you are here for the solution you will find the best approach to solve this before.
What does TDR Stands for ?
The T in TDR stands for Timeout, the D stands for Detection, and the R stands for Recovery. The Video TDR function is designed to prevent blue screens of death from occurring.
What is Nvlddmkm.sys ?
Nvlddmkm stands for Nvidia Windows Longhorn Display Driver Model Kernel Mode. Nvlddmkm.sys is an Nvidia display driver for Windows OS that helps the operating system and a device communicate with each other.
What is Atikmpag.sys ?
atikmpag.sys is the display driver for AMD graphics card.
How to fix Video TDR failure nvlddmkm.sys or Atikmpag.sys error?
There are several reasons that may cause this error, some of the reasons and their solutions are mentioned below.
Checklist before starting the troubleshooting.
| Reasons | Solution |
|---|---|
| Check cable connections inside PC | Loose cables can cause errors |
| The error started after the recent Windows Update | Uninstall Recent Update or Try System Restore |
| Outdated or incompatible driver | Install latest display driver [ NVIDIA | AMD ] |
| Faulty Graphics card | Replace with the new graphics card |
| Insufficient power from SMPS or faulty power supply | Replace with a new power supply unit |
| Faulty RAM | Run memory diagnostics |
| Faulty harddisk or SSD | Run check disk (cmd.exe -> chkdsk) |
Before we start troubleshooting, complete this checklist.
1. Check for Windows update
- Search for Setting and open it.
- Go to Windows Update
- Click on the Check for Updates
- Update it, if available
In many cases, these updates are done automatically. If your problem is still there go to 2nd method.
2. Check for graphics card driver update
The problem is usually caused if the graphic card drivers are not updated.
- Press Windows key + R
- Type the following command and click on Ok.
dxdiag
- Go to display tab and verify details of GPU.
- Now move to system and verify details of operating system.
- For NVIDIA Graphics Card users: Visit the NVIDIA website and download the driver.
- For AMD Graphics Card users: Visit the AMD website and download the driver.
- Install them and restart your PC.
3. Re-install your Graphics Card Driver to fix Video TDR failure
- Search for Device Manager and Open it.
- Go to Display Adapter section.
- Right-click and uninstall your graphics card driver (Graphics card name should starts with NVIDIA or AMD)
- Download and update the new driver.
- Now press Window Key + R
- Paste the code below
C:/Windows/System32/drivers
- For NVIDIA Users: Look for nvlddmkm.sys file and rename it to nvlddmkm.sys.old
- For NVIDIA Users: Look for atikmpag.sys file and rename it to atikmpag.sys.old
- Now search for command prompt and open it.
- Paste the code below in command window.
For PCs with NVIDIA Cards – execute this command
expand.exe nvlddmkm.sy_ nvlddmkm.sys- It will create a new nvlddmkm.sys file.
- Now Go to C Drive and open the NVIDIA folder.
- Copy this file and paste it into drivers folder.
For PCs with AMDs – execute this command
expand.exe atikmpag.sy_ atikmpag.sys- It will create a new atikmpag.sys driver file.
- Now Go to C Drive and open the AMD folder.
- Copy this file and paste it into drivers folder.
We have tried to give you the best solution for Video TDR failure nvlddmkm.sys/atikmpag.sys error and will look for more solutions and add those in the next update. If you find it helpful do share it with friends.
