Deferred Procedure Call (DPC) is a process which is commonly monitored from a bug checker known as Watchdog. This error, '' DPC Watchdog Violation '' occurs when the DPC takes too much time to respond. This mechanism alerts the operating system that something is wrong with the DPCs.
Now this error can occur due to various reasons. The reason can be rom outdated drivers to incompatible software. When you encountered this error you may not need to worry about it. The issue can be easily sorted out with one or two fixes without needing to try them all. If you are stuck with this error and cannot enter the system, you must enter the safe mode.
In this article, I will be concentrating on 10 Ways to Fix DPC Watchdog Violation in Windows | Blue Screen of Death. From this post, you will know how to fix this error and how to prevent it from happening in the future again.
Let's get started,
1. Check SATA AHCI Controller
Serial Advanced Technology Attachment (SATA) AHCI controller is an interface which transfers data in between the hard drive and the computer. If anything goes wrong in this technology, it can also cause DPC watchdog violation error. Hence, one way to fix this is by changing the controller manually. Go to the device manager and change the faulty SATA AHCI controller with the flawless drivers.
2. Update SD Firmware
Some of you might be using the SSDs as a storage medium. If the SSD you are using is old enough, its firmware could become outdated triggering this error. In this case, you need to update the firmware according to the SSD model. These details are easily available from the manufacturer's website.
3. Perform CHKDSK
Errors in the disk can be one of the reasons for DPC watchdog violation error. Such problems include bad sectors and NTFS volume corruption. One way to repair disk issues is by performing the CHKDSK command.
To run CHKDSK,
- Insert the installation media
- Restart the PC
- Boot from the installation media
- Choose your language
- Press Shift + F10
- Type and press Enter after the command
4. Perform SFC Scan
Another reason why DPC watchdog violation error occurs is due to corrupted system files. Many users have reported to fix this error by scanning and repairing system files. This scan will probably identify any damaged system files. To fix these system files, you need to run the SFC command using command prompt.
To run SFC Scan,
- Insert the installation media
- Restart the PC
- Boot from the installation media
- Choose your language
- Press Shift + F10
- Type and press Enter after the command
5. Update Driver
In order for the computer to function properly, all devices must be with latest drivers. If you visit the device manager, you can identify all the devices with outdated or corrupted drivers. Usually this is indicated with a yellow exclamation mark. Once this is identified, make sure to update them all. For the ones unfamiliar with this process, there are some third party softwares which automatically replaces the corrupted drivers.
6. Uninstall Apps
If the error seems to appear recently, then you have to inspect all of the recently installed applications. So one way to fix this is by uninstalling them. See whether if your computer still comes up with this problem. If you have trouble identifying the problematic application, try running the program compatibility troubleshooter. Be aware that same thing could happen for the recently installed programs.
7. Remove Peripheral Devices
Similar to software application, hardware incompatibilities in the system can also cause DPC watchdog violation error. Peripheral devices like USB drive, printers, scanners, headphones and SSDs can be the reason for this error. Therefore, simply by removing the additional devices you can solve DPC watchdog violation error. Ensure to remove all devices except keyboard and mouse. In this way, you can know if one the devices are responsible for this error.
8. Update Windows
Outdated version of windows are prone to blue screen errors including DPC watchdog violation. Microsoft constantly comes up with new updates to fix different kinds of BSOD issues. So whenever there is any new update available, you need to get them as soon as possible. Once the system is updated, you can check whether the problem went away.
9. Run Antivirus Scan
Serial Advanced Technology Attachment (SATA) AHCI controller is an interface which transfers data in between hard drive and the computer. If any thing goes wrong in this technology, it can also cause DPC watchdog violation error. Hence, the best way to fix this is by changing the controller manually. Go to the device manager and change the faulty SATA AHCI controller with the flawless drivers.
10. Restore System
Restore points created on your PC can be used to solve DPC watchdog violation error. If the error is as a result of a windows update or an incompatible driver, windows comes with a feature which reverts your system to a point of flawless functioning. Through this process, all the OS updates, system files are reverted back to its previous state. However, this process will not cause any impact on the personal files.
To Restore System,
- Insert the installation media
- Restart the PC
- Boot from the installation media
- Choose your language
- Select '' Troubleshoot ''
- Select '' System Restore ''
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