DPC watchdog violation has become an annoying problem for windows users recently. Many of them have faced the problem when they upgrade their system to windows 10, with a prompt "DPC_WATCHDOG_VIOLATION" and an error code of "0x00000133". Here, we are going to explain the causes of the problem and put forward some efficient solutions.
What is DPC watchdog violation error?
DPC Watchdog Violation is a common issue for Windows systems. It happens when there are such cases like unsupported SSD firmware, old SSD driver version, hardware incompatibility issues, or system files are corrupted.
How to fix DPC watchdog violation error?
First, we should check if it is related to system update:
Since Microsoft can not fix it temporarily, users should take measures by themselves. Try to remember whether you have updated the drivers on your PC. There is an error of DPC WATCHDOG VIOLATION BSOD when users upgrade their system to windows 10.
According to an analysis, it can almost be caused by the incompatibility of drivers resulted from iastor.sys. Such situation may attribute to the incomplete compatibility of iastor.sys and windows 10. Microsoft is exploring an effective solution in order to avoid the incompatibility of drivers when we upgrade to windows 10. But if you have already done, you can try the following steps to change problematic drivers with Microsoft storahci.sys, thus continuing to use your computer.
Change SATA AHCI controller
This method is used when the cause of the error is a connected storage device or memory of your computer.
To deal with this situation, you have to change the SATA AHCI controller. This is a driver responsible for data exchange occurring between storage devices in your system and its memory.
The driver acts by verifying the compatibility of the data and providing an efficient output. You can easily solve the DPC Watchdog violation error if you can change the SATA AHCI driver. Here are the steps to perform this change:
Step 1:
Press X button and Windows key button simultaneously.
Step 2:
Choose ‘Device Manager’ option in the menu page that opens.
Step 3:
When you go to the Device Manager option, choose the IDE ATA/ATAPI controllers feature here.
Step 4:
Expand the controller feature.You will find the SATA AHCI controller under IDE ATA/ATAPI controller. Use right-click and choose properties from the SATA AHCI controller.
To ensure you have chosen the right controller from the driver choose Driver details from Driver Tab. Check whether iaStorA.sys is under the driver list. Now click on the OK button to exit.
Step 5
Now choose ‘Driver’ option and click on ‘Update driver’ feature.
Step 6
Next, choose ‘Browse my computer for driver software’ option.
Step 7
Now choose the, ‘Let me pick from a list of device drivers on my computer’.
Step 8
Now choose ‘SATA AHCI Standard Controller’ and select ‘Next’ button. Complete the procedure onscreen.
Step 9
Reboot your system. To avoid the error from recurring again, it is best to repeat this procedure every time there is a Windows update.
Fix 3: Update your drivers
If old firmware is present in your solid-state drive (SSD) which your Windows 10 does not support, you have to update the driver to avoid the DPC watchdog error. Here are the steps:
Step 1
Press the Windows button and E simultaneously to open the File Explorer or you can choose Computer/my computer/This PC from the desktop.
Step 2
Find the Computer from the panel’s left side and use right-click to open it. Choose the Manage option.
Step 3
In the pop-up window that appears, choose ‘Device Manager’ option present on the left side.
Step 4
In the list that opens under Device Manager choose SSD. Note down the important details including model number and related details.
Step 5
Visit the manufacturer’s website and download necessary updates needed for the SSD.
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