Fix: DPC_watchdog_violation Blue Screen of Death Error

This tutorial will guide the DPC_watchdog_violation Blue Screen of Death error. Let me explain first What is a DPC watchdog violation error? and how to fix this annoying issue?


What is a DPC_watchdog_violation Blue Screen of Death Error?

DPC_watchdog_violation error is the Blue Screen of Death error in the Windows 7/8/10. It’s occurred due to some different reasons, like old SSD driver version, unsupported SSD firmware, system files are corrupted or hardware incompatibility problems.

So if your Windows computer is using an SSD, the first thing you need to check is the SSD firmware version and ensure it’s up to date. Also, you check any new hardware that you have recently added on the computer, and then later, this DPC_watchdog_violation error occurs.

How To Fix DPC_watchdog_violation error in Windows

Method 1: Update Firmware of SSD

If you are using solid-state drive (SSD), you should download and update the latest firmware version of it from manufacturer’s website and update your SSD. To do that, following these instructions:

Step 1. Open File Explorer by pressing Windows + E.
Step 2. Then you right-click on This PC and select Manage.
Step 3. In the left pane of Computer Management, select Device Manager.
Step 4. At corresponding right pane, you will find out the type of SSD and the model number.
Step 5. After looking for the model number of SSD, visit to manufacturer’s website, find the latest firmware version if available, then download and update for your SSD.

Method 2: Replacing the Problematic Driver

To fix this DPC_watchdog_violation error, you can replace the problematic driver with Microsoft’s default driver for the device. To do that, following these instructions:

Step 1. First of all, you open to Device Manager.

  • For Windows 8/10: Press the Windows key + X, select Device Manager.
  • For Windows 7: Click Start button > Click Control Panel > choose Device Manager.

Step 2. In Device Manager window, you look for IDE ATA/ATAPI controllers.
Step 3. Expand IDE ATA/ATAPI controllers, then select the controller with “SATA AHCI” in its name (such as Standard SATA AHCI Controller). To verify that you’ve found the right controller, right-click the controller, click Properties, click the Driver tab, and then Driver Details. Verify that iastor.sys is a listed driver, and click OK.
Step 4. Then, switch to the Driver tab, click Update Driver.
Step 5. Next, you click Browse my computer for driver software.
Step 6. Now, you click Let me pick from a list of device drivers on my computer.
Step 7. Lastly, select Standard SATA AHCI Controller. And click Next, then Close, and then restart your computer.

Hope you enjoy this article.