DPC_WATCHDOG_VIOLATION Blue screen errors are mainly caused by driver or hardware problems. The core reason is that a driver handles interrupt requests for too long, which causes the system to force blue screen protection. Common triggers include: 1. Outdated, incompatible or damaged drivers; 2. Third-party security software conflicts; 3. Abnormal hard disk or SSD controller; 4. Improper BIOS settings or firmware problems; 5. Hardware failures such as storage devices or motherboards. The repair methods are: 1. Update or rollback the key device drivers; 2. Check the disk status and fix the errors; 3. Uninstall or disable third-party security software; 4. Adjust the BIOS and power management settings; If the above steps are invalid, hardware problems need to be checked, such as replacing the hard disk or detecting the memory and motherboard status. In most cases, it can be resolved by updating the driver or uninstalling the conflict software.

DPC_WATCHDOG_VIOLATION is one of the common blue screen errors in Windows 10/11 and usually occurs when the system detects that the delayed procedure call (DPC) is running for too long. This problem is often related to drivers or hardware and is not particularly rare, but if not handled, it may occur repeatedly and affect the user experience.

Why does the DPC_WATCHDOG_VIOLATION error appear?

The core reason for this error is that a driver takes too much time when processing an interrupt request, causing the system to think it is "stuck". Common reasons include:

• Outdated, incompatible or damaged drivers
• Third-party antivirus software or firewall conflict
• Hard disk or SSD controller driver abnormality
• Improper BIOS settings or firmware issues
• Hardware failure, especially storage device or motherboard problems

The Windows DPC mechanism is to ensure the timely response of the system. Once a task is delayed for too long, the protection mechanism will be triggered to force a blue screen.

How to fix DPC_WATCHDOG_VIOLATION blue screen?

1. Update or rollback the driver

This is the most common solution. Especially the drivers of key equipment such as storage controllers, graphics cards, network cards, etc.

• Open Device Manager → Find the relevant hardware devices (such as IDE ATA/ATAPI controller, display adapter)
• Right-click → select "Update Driver" or "Rolleate Driver"
• Pay special attention to whether the NVMe or SATA controller driver is the latest version

If you are not sure which driver is the problem, you can try using third-party driver update tools (such as Driver Booster), but it is recommended to obtain drivers through the official website first.

2. Check whether the hard drive or SSD is normal

Since this error is often related to storage devices, it is recommended to check the disk health status:

• Use CrystalDiskInfo to view the health status of the hard drive
• If it is an SSD, check if there is a firmware update
• Run chkdsk /f /r check in command prompt and fix disk errors

Certain SSD models (such as Samsung, Intel older models) have reported firmware issues related to this error.

3. Disable or uninstall third-party security software

Some third-party antivirus software or firewalls will deeply intervene in the underlying system operations, which may lead to conflicts.

• Temporarily close or uninstall the security software you installed (such as McAfee, Kaspersky, Avast, etc.)
• Observe whether there is still a blue screen phenomenon

If you have just installed the security software and the blue screen appears, it is most likely that it is caused.

4. Check BIOS settings and power management options

Some energy-saving settings in the BIOS may affect the stability of the device driver:

• After entering the BIOS, set SATA mode to AHCI (if not)
• Turn off C States or other energy-saving options
• Update the motherboard BIOS to the latest version

In addition, disabling "Allow the computer to turn off this device to save power" in power management may also help.

When do you need to consider hardware issues?

If you've tried all of the above methods and still don't work, that's probably a hardware issue:

• Replace the hard drive and see if there is still an error
• Check if the memory stick is plugged in, or use the Windows Memory Diagnostic Tool to test it
• The aging of the motherboard capacitor or the South Bridge chip problem may also cause such blue screens

In this case, it is recommended to contact after-sales service or professionals for further investigation.

Basically, these common causes and solutions are all about them. Although it seems a bit too much, most of the time you can do it by updating the driver or uninstalling the security software. Don’t panic when encountering a blue screen. Follow the steps to check it out. In most cases, you can find the root cause.

The above is the detailed content of What causes the DPC_WATCHDOG_VIOLATION blue screen error in Windows 10/11, and how can I fix it?. For more information, please follow other related articles on the PHP Chinese website!