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You’ll need to be logged into Windows on the problem computer to try any of these solutions. If you can’t log into Windows, power on and off your PC 3 times to perform a hard reboot and, then try these solutions. What is DPC Watchdog Violation?The DPC Watchdog Violation blue screen of death bug check has a value of 0x00000133.DPC stands for Deferred Procedure Call. Watchdog refers to the bug checker, which usually monitors or track your Windows programs and your PC performance.When you see the Violation message, your PC watchdog (aka bug checker) is overwhelmed. Probably because a DPC is running too long a time, or your system is stuck at an interrupt request level (IRQL) of DISPATCHLEVEL or above. Why would I have the DPC Watchdog Violation error?In most cases, you will see this error when your device driver(s) is outdated or installed wrongly. For example, if you haven’t installed the video card driver for your new operating system, DPC Watchdog Violation could easily happen when you try to watch a video online.In some cases, incompatible hardware with your operating system can be the cause as well.

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For example, if your external hard driver is not longer supported by Windows 10, or that you have recently installed a new hardware device on your older computer, you will see DPC Watchdog Violation error as well.Sometimes, this error could be caused by software conflict, although not as common as the two causes above. Fix 1: Change SATA AHCI controller driverThis is the most effective method according to a wide range of Windows users. So you might want to try it first:. On your keyboard, press the Windows logo key and X at the same time, then click Device Manager. Expand IDE ATA/ATAPI Controllers. Right-click SATA AHCI controller and click Properties.

To verify that you’ve chosen the correct controller: go to the Driver tab, click Driver Details.Make sure the iaStorA.sys is listed as a driver. Click OK to exit.If you’re seeing storahci.sys listed here, move on to for more help. Click Driver and then Update Driver. Click Browse my computer for driver software.

Click Let me pick from a list of device drivers on my computer. Click Standard SATA AHCI Controller, then click Next. Finish the rest of the procedure as instructed. Restart your computer after for the change to take effect. You may need to repeat the same procedure again every time after your Windows update.

This is a normal situation. So there is no need for you to worry about it. If you need assistance, please contact Driver Easy’s support team at. Fix 3: Check hardware and software compatibilityAs mentioned, incompatible hardware devices with your PC operating system, and/or conflicted software programs could be one of the causes of the DPC Watchdog Violation error as well. Check hardware compatibilityIf you have some external devices plugged or installed on your PC, such as external hard drive or a USB flash drive, disconnect them all (leave your mouse and keyboard connected), then restart your computer.If the error stops, plug your external devices back, only one at a time, then restart your PC. If you get the error again after certain device, you have got the culprit already. You can either replace this device completely from your PC, or update its driver as instructed in.

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Check software compatibilityIf this error only happens very recently, try to reflect if you have made some changes to your PC. For instance, have you installed a new application, or have you upgraded some programs.If you are not sure what changes you have done, you might want to do a, to help you go back to the previous stage of your PC. Fix 4: Perform a disk checkA blue screen of death error could indicate a disk problem. You may want to make sure that your disk is at a good state:. On your keyboard, press the Windows logo key and R at the same time to invoke the Run dialog.

Type cmd and press Ctrl, Shift and Enter at the same time to run Command Prompt as administrator.When prompted with the administrator permission, click Yes to continue. On your keyboard, type chkdsk /f /r, then press Enter. Press Y on your keyboard.

IMPORTANT: Disk check will start the next time you boot your PC and it might take some time to complete (could be a day for some). If, when you restart, you don’t have time to wait for the disk check to complete, you can skip it. You’ll need to reschedule it again, as described above, though. Fix 5: Run Event ViewerThis method does not provide you with a solution, but you might be able to find the culprit driver or device that is causing you the DPC Watchdog Violation blue screen error.

On your keyboard, press the Windows logo key and X at the same time. Then click Event Viewer. On the left side of the panel, click Windows Logs, and then System.

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.Reference.