[Solved] How To Fix DPC Watchdog Violation In Windows 10

DPC (Deferred Procedure Call) watchdog violation error is a variant of a blue screen of death (BSOD) error. Basically, a violation occurs when the bug checker also known as a ‘watchdog’ detects the DPC which is running for a long time.

Due to the blue screen of death error, the device will keep restarting in a loop and thus you will fail to proceed with your work. There are lots of reasons responsible for this annoying BCOD error.

The first and foremost reason is when the hard disk drive is not readable. An outdated SSD firmware, old or corrupted drivers, hardware incompatibility, can trigger BSOD error.

No matter whatever be the reason, you need to fix it with the best possible solutions. Hence, go through the highlighted points given below

Solutions to Fix DPC Watchdog Violation Error

The following methods, given below will resolve the DPC watchdog violation error in Windows 10. Try to proceed in the exact sequence provided to avoid any technical glitches in the near future.

Check the Cables

We know that there are a lot of reasons for this annoying situation. So, starting with the most basic resolution, you should check all the power cables and disk data.  

The first thing that you need to confirm that the cables are plugged in properly. To check that you should disconnect all the power cables and then reconnect them properly.

In case, you find any fault within the power cables, then you need to replace it with a new one.

Replace the iastor.sys Driver

It is advised that you need should replace the driver which is triggering the error. Basically, iastor.sys driver is associated with such problems. Thus, to replace the driver, go through the following steps as described below:

  • First of all, press the Start button and select the Device Manager section. 
  • Now, expand the IDE ATA/ATAPI controllers and right-click on it. 
  • After that, move to the Driver tab and choose the Update Driver option. 
  • Click on the Next option and close the window. 

When you are done with these steps, reboot the system and check whether you are getting the same error message or not.

Run a Full System Scan

If the above-mentioned solutions are not sufficient to resolve the issue, then the problem might be associated with the corrupted registry files. You can locate the damaged system files, simply by scanning the device.

There are many third-party antivirus software available over the internet. You can install any of them to scan the device. 

Provided Windows has an in-built antivirus tool which is known as Windows Defender. By running this tool, you can easily find out the corrupted system files. 

To run this tool, follow the steps mentioned in the section below:

  • First of all, press the Start button and then type ‘defender’ in the search box and hit the Enter button to launch the Windows Defender tool.
  • Now, select the Shield icon from the Windows Defender window. After that, select the Advanced Scan option to scan the device.

It will take a while to complete the process. When the scanning process gets completed, restart the system and check whether the problem gets resolved or not.

Update the Drivers

If any drivers that are installed on your device are not up-to-date, then you will confront this BSOD error. Therefore, updating the driver is the only solution to resolve the issue. Therefore, go through the instructions and update the driver:

Step 1

First, press the Start button and type ‘device manager’ in the search window. Now, hit the Enter button to open up the Device Manager section.

Step 2

In the Device Manager window, you will find all the installed applications. Thereafter, select the driver which is not up-to-date, right-click on it.

Step 3

A drop-down menu will appear on the system screen. Select the “Update the Driver” option to update the driver. The updated version will be downloaded and installed on your device. It will take some time to complete the process. 

When you are done with this process, restart the system and check whether the problem gets fixed or not. We hope the discussed solutions are sufficient enough to resolve the DPC watchdog violation in  Windows 10.