What is watchdog.sys error? How to fix the BSOD error watchdog.sys? We analyzed several posts, and this post from MiniTool will give solutions to fix the watchdog.sys blue screen of death.

What Is Watchdog.sys Error?

Watchdog.sys is one of the common BSOD errors. It often occurs when you are trying to boot the computer. The watchdog.sys BSOD is generally associated with the graphics drivers of the computer.

So, if the graphics drivers are corrupted or missing, you will come across the watchdog.sys blue screen of death error.

In the following section, we will show you how to fix the watchdog.sys BSOD.

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4 Solutions to Watchdog.sys BSOD

Note: In general, when you come across the watchdog.sys BSOD, you can restart your computer. Restarting usually will successful and then you can try the following solutions. If you can’t log in Windows normally, try to boot your computer into safe mode and perform the following solutions.

Solution 1. Reinstall the Graphics Card Driver

To fix the watchdog.sys BSOD, you can try reinstalling the graphics card drivers.

Now, here is the tutorial.

  1. Press Windows key and R key together to open Run dialog, then type msc in the box and click OK.
  2. In the Device Manager window, expand the Display adapter.
  3. Right-click the graphics card driver and choose Uninstall device.
  4. Check the option Delete the driver software for this device and click Uninstall.

check the option delete the driver software for this device

Then you can follow the wizard to continue. After that, reboot your computer and Windows will attempt to reinstall the driver. When all steps are finished, reboot your computer and check whether the watchdog.sys BSOD error is solved.

If this solution does not take effect, try other solutions.

Solution 2. Check for Overheating

If the hardware is overheating, you may also encounter the watchdog.sys blue screen of death. Hence, in order to fix the watchdog.sys error, you can check whether the hardware is overheating.

If it is, try to reduce the temperature of the hardware. Then check whether the watchdog.sys BSOD error is solved.

Solution 3. Update BIOS

BIOS is the program that can manage the connection between the operating systems and the laptop hardware devices. However, the faulty settings of BIOS will lead to watchdog.sys blue screen of death. In this situation, you can choose to update the BIOS.

Tip: Updating BIOS is a risky thing. Hence, before proceeding on, please back up file to avoid data loss.

Now, here is the tutorial on how to update BIOS.

  1. Check the BIOS version and motherboard model.
  2. Find the latest BIOS from the manufacturer's website.
  3. Download and unzip the BIOS file.
  4. Copy the BIOS file to a USB flash drive.
  5. Reboot your computer to enter the BIOS settings.
  6. Back up your current BIOS file.
  7. Update BIOS.

You can read the post How to Update BIOS Windows 10 | How to Check BIOS Version to learn about more detailed operation instructions.

After all steps are finished, reboot your computer and check whether the watchdog.sys blue screen of death is solved.

Solution 4. Run System File Checker

The watchdog.sys BSOD may be caused by the corrupted system files. Hence, in order to fix this BSOD error, you can run System File Checker to scan and repair the corrupted system files.

Now, here is the tutorial.

  1. Open Command Prompt as administrator.
  2. Type the command sfc /scannow and hit Enter to continue.
  3. Please do not close the command line window until you see the message verification 100% complete.

type the command

When the scanning process is finished, reboot your computer and check whether the watchdog.sys BSOD is solved.

Related article: Quickly Fix – SFC Scannow Not Working (Focus on 2 Cases) 

Final Words

To sum up, this post has introduced 4 ways to fix the watchdog.sys BSOD error. If you encountered the same error, try these solutions. If you have any better solution to fix watchdog.sys blue screen of death error, please share it in the comment zone.

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