How to Resolve DPC Watchdog Violation BSOD Error

Many Windows users have reported that they are experiencing the DPC Watchdog Violation BSOD error. Don't worry, this article will introduce you the detailed 5 ways to get rid of this error.


By Yuka Updated on February 28, 2023

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What Is Blue Screen DPC Watchdog Violation?

DPC Watchdog Violation

DPC Watchdog Violation is a common blue screen error which can be caused by a variety of reasons. DPC refers to Deferred Procedure Call. Watchdog refers to the error checker that typically monitors or tracks your Windows programs and your PC's performance.

If you encounter this error frequently, it will affect your productivity. Therefore, the best thing to do is to find out the cause and fix it. If you don't know how to fix this problem, you can read this complete guide about DPC Watchdog Violation Error in order to solve this problem.

Why Is There A DPC Watchdog Violation Error?

Before you learn the solution, you can find out what causes you to encounter this DPC watchdog violation error:

  • In most cases, you will see this error when your device drivers are out of date or installed incorrectly. For example, if you don't have a graphics card driver installed for your new operating system, a DPC Watchdog violation can easily occur when you try to watch a video online.
  • In some cases, hardware that is not compatible with your operating system may also be the cause. For example, if your external hard drive is no longer supported by Windows 10, or if you recently installed a new hardware device on your old computer, you may also see a DPC Watchdog violation error.
  • Sometimes, this error can be caused by a software conflict, although not as common as the two causes above.

5 Fixes for DPC Watchdog Violation BSOD

Below you will find 5 fixes for you to try. You may not need to try them all, just work your way down until you find the one that works for you.

Fix1. Remove All External Devices from Your Computer

As mentioned above, the DPC_WATCHDOG_VIOLATION Windows 10 error may be caused by a hardware conflict. If you have a newly installed external hard drive, external solid state drive, printer or scanner on your computer, you should remove or disconnect all these external devices. Then restart your computer.

To determine which one is the culprit, you can check by connecting one device at a time. If a DPC watchdog violation error occurs after connecting one of the devices, you can remove it to fix the problem. After that, you can connect other devices.

Fix 2. Update SATA AHCI Controller Driver

In addition, one cause of DPC watchdog violations is outdated drivers for your hardware devices. You should verify that all your devices have the correct, up-to-date drivers and update those that do not. According to the majority of Windows users, this is the most effective way to do this.

  1. On your keyboard, press the Windows +X at the same time, then click Device Manager.

Device Manager

  1. Expand IDE ATA/ATAPI Controllers. Right-click SATA AHCI controller and click Properties.

SATA AHCI Controller

  1. To verify that you’ve chosen the correct controller: go to the Driver tab, click Driver Details.
  2. Make sure the iaStorA.sys is listed as a driver. Click OK to exit.


  1. Navigate to the Driver tab, then click Update Driver….

Update Driver

  1. Select Browse my computer for driver software.

Browse My Computer for Driver Software

  1. Click Let me pick from a list of device drivers on my computer.

Let Me Pick

  1. Click Standard SATA AHCI Controller, then click Next. Finish the rest of the procedure as instructed.

Select Device

  1. Restart your computer after for the change to take effect.

Fix 3. Update the SSD Firmware

Nowadays, many people use SSDs on their computers to get high performance and fast running speeds. However, unsupported SSD firmware can cause DPC Watchdog to violate Windows 10's blue screen error. If you are in this situation and then experience a DPC watchdog violation error, you can try updating the SSD firmware to fix the problem.

  1. On your keyboard, press Windows + X at the same time, then click Device Manager.
  2. Expand the Disk drives. Note down the Model number of your SSD.

SSD Model Number

  1. Go to the manufacturer’s website and search for the new version of the firmware.
  2. Download and install the firmware for your drive.

Fix 4. Perform A Disk Check

All blue screen of death errors can indicate a disk problem. You may want to make sure your disks are in good condition. You can run the CHKDKS command to check for disk problems.

  1. On your keyboard, press the Windows + R at the same time to invoke the Run dialog. Type cmd and press Ctrl + Shift + Enter at the same time to run Command Prompt as administrator.
  2. On your keyboard, type chkdsk /f /r, then press Enter.


  1. Press Y on your keyboard.

Fix 5. Run the Event Viewer

This method will not provide you with a solution, but you may be able to find the culprit driver or device that is causing your DPC Watchdog violation blue screen error.

  1. On your keyboard, press Windows + X at the same time, then click Event Viewer.

Event Viewer

  1. On the left side of the panel, click Windows Logs, and then System.

Windows Logs

  1. In the middle part of the panel, you will be able to some entries. Check the ones marked by Error or Warning, then you should be able to see the detailed information of what exact went wrong at a certain time range.

Back Up Your Computer Ahead of Time - Just in Case

In the process of using computers, many users encounter various different problems. The blue screen error is considered one of the more serious ones. Some of the problems are easy to solve, but some very serious problems are not good to find a solution.

To avoid encountering similar stop code DPC watchdog violations in the future, it is recommended that you back up your computer regularly. Alternatively, you can create a bootable media in advance. This way, if you encounter similar system problems next time, you can quickly restore your computer to a normal state with the help of this bootable media and system backup.

AOMEI Backupper Standard is a free backup and recovery tool that you can use to easily create Windows 10 system backups and bootable media. It has very easy steps to follow, so even a computer novice can get started quickly. You can refer to the illustrated steps below to see how to use it.

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  1. Download AOMEI Backupper, install and launch it. Then, click "System Backup" under the "Backup" tab.

System Backup

  1. The program will select the system and boot partition as source by default. Then select a destination path to save the system backup. You can modify the "Task name" to distinguish it from other backup tasks.

Select Destination

  1. Click "Start Backup" to begin system backup in your computer.

Start Backup


Overall, if you encounter a DPC Watchdog violation BSOD error on Windows 10, you can fix it immediately using the above method. It is also recommended that you take a daily backup of your computer after fixing it. If you encounter a similar blue screen problem next time, you can use the system backup to quickly get your computer back to normal.

The software mentioned in the article has features such as cloning and synchronization in addition to backup. If you want to upgrade your computer disk, you can use it to migrate your system or data, and the whole process is very safe. You don't have to worry about losing data or not being able to boot from the cloned disk, etc. Come and try it out.

Yuka · Editor
Yuka, our dedicated editor at AOMEI Technology, is committed to bringing you valuable insights and guidance in data protection. Her mission is to empower everyone with her knowledge in computer backup and recovery, disk cloning, file synchronization, and more. Yuka's goal is to do her best to make complex tech tasks simple and ensure that your digital world remains safe and secure.