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Peter_DK
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Sceen flickers, and PC reboots with DPC_Watchdog_Violation

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Pavilion Elite 450SC
Microsoft Windows 10 (64-bit)

Hi

I have upgraded my HPE-450SC to Win10, but every 2-5 minutes it turns black for a while, and I receive a message in the buttom of screen that chrome.exe have tried to get access to the hardware.

Very often the PC gets BSOD with DPC_Watchdog_Violation.

I'm using the GeForce Game ready Driver version 391.35.

Any suggestions on how to troubleshoot this issue.

Thanks in advance

Peter

6 REPLIES 6
sandytechy20
HP Support Agent
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Message 2 of 7
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@Peter_DK

 

Welcome to HP support community.

 

Remove All External Devices on Your Computer.

 

Change SATA AHCI Controller

Step 1. Launch Device Manager in Windows 10.

  1. Press Windows key and X key simultaneously.
  2. Select Device Manager from the menu.

Step 2. Verify if you choose the correct controller.

1. Find and expand the IDE ATA/ATAPI controllers.

2. Choose the SATA AHCI controller and right-click it.

3. Select Properties from the pop-up window.

 

click Properties

 

4. Go to the Driver tab and then click Drive Details.

5. Make sure the iaStorA.sys is listed as a driver. Then click OK.

 

check the iaStorA.sys in Drive Details

 

Step 3. Update the driver for this device.

1. Choose Update Driver.

 

click Update Driver

 

2. Choose Browse my computer for driver software.

 

Browse my computer for driver software

 

3. Choose Let me pick from a list of device drivers on my computer.

 

Let me pick from a list of device drivers on my computer

 

4. Choose Standard SATA AHCI Controller and click Next.

 

choose Standard SATA ACHI Controller

 

5. Restart your computer to take effect.

 

Let me know how it goes.

To thank me for my efforts to help you, please mark my post as an accepted solution so that it benefits several others.
Cheers.

Sandytechy20
I am an HP Employee

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Peter_DK
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Hi Sandy.

Is this because you think the harddisk controller is the cause of this issue, and not the videodriver?

best regards

Peter

 

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sandytechy20
HP Support Agent
HP Support Agent
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@Peter_DK

 

Update the Bios and Graphics card driver using HP Support Assistant.

Download and run the HP Support Assistant from this Link: Click here

 

HPSA will automatically search for all the latest drivers for your Notebook

  1. Click My devices in the top menu, and then click Updates in the My PC or My notebook pane.

    Click Updates in the My notebook pane

  2. Click Check for updates and messages to scan for new updates.

     Updates list in HP Support Center

  3. Review the list of updates. Updates with a yellow information icon are recommended. Updates with a blue information icon are optional.

  4. Click the update name for a description, version number, and file size.

  5. Select the box next to any updates you want to install, and then click Download and install.

I hope that helps.

To thank me for my efforts to help you, please mark my post as an accepted solution so that it benefits several others.

Cheers.

Sandytechy20
I am an HP Employee

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Peter_DK
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Hi

The support assistant tells that there are no updates available.

 

Shall I try to remove the graphics driver?

 

regards

Peter

 

 

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Peter_DK
Author
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Message 6 of 7
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Hi

I have tried to remove the driver for the videocard, and the picture is stable, but after a while the driver is automatically updated to the NVIDIA Geforce GTX 460. Is there a way to avoid this update, and use the Microsoft standard driver?

Best regards

Peter

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Riddle_Decipher
HP Support Agent
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Message 7 of 7
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@Peter_DK I went through the details and if the continues to present itself after the video card driver is reinstalled as well, the DPC_Watchdog error could be an issue with the OS, that said, try the below steps:

 

Step 1- Go to the Start button and choose Control Panel. In the control panel menu choose Power Options.

Step 2- From the left side of the panel, choose what the power button does.

Step 3- Then choose change settings that are currently unavailable from the window that opens.

Step 4- Scroll down a little and you will find Turn on fast startup option. Uncheck this option to turn it off.

Step 5- Then click on Save Changes and Exit to save the changes.

 

Keep us posted,

If you wish to thank me for my efforts, you could click on "Accept as solution" on my post as the solution should help others too.

Riddle_Decipher
I am an HP Employee

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