How to fix win32kfull.sys BSOD in Windows 10

Common Windows errors like Blue Screen of Death can be quite frustrating. Windows encounters these issues when it encounters an error that it cannot resolve on its own, and they are most commonly associated with hardware or hardware drivers.

One such Stop error is the win32kfull.sys BSOD, which usually appears when you have compromised RAM, outdated drivers, or corrupt system files. Below we have listed some effective troubleshooting methods that may help you if you are facing a win32kfull.sys blue screen of death.

1. Run the Blue Screen Troubleshooter

Since BSODs are quite common in Windows, the operating system now comes with a specially developed BSOD troubleshooter to identify potential issues that could be causing the problem. If any issues are identified, the troubleshooter will recommend fixes and then apply them without much user interference.

Here’s how to run the BSOD Troubleshooter:

  1. Launch Windows Settings by pressing To win + I whole.
  2. In the Settings window, go to Update and security section.
  3. So choose Troubleshoot in the left pane and click Additional convenience stores on the right side of the window.
  4. In the next window, click blue screen on the right side of the window.
  5. Select the Run the troubleshooter button.
  6. This should start a scan that will look for issues within the system. If it finds any issues, it will offer recommendations to fix them. You will then need to click Apply this hotfix and wait for the process to complete.
  7. Finally, close the window and check if the error reappears.


2. Install optional updates

If you started experiencing the problem after installing a pending update, the problem is most likely caused by the update. In such cases, Microsoft is usually aware of the problem and releases an update with a fix to fix the problem.

These updates are called “out of band” updates and can be found in the Update & Security section of Windows Settings. If this scenario applies to you, follow the steps below to install optional updates:

  1. Launch Windows Settings and go to Updates and Security section.
  2. To select Windows Update from the left pane.
  3. Now click on the Show link of all optional updates on the right side of the window.
  4. In the next window, check the updates you want to install and click on the Download and install button.

After installing the updates, restart your computer and check if the issue has been resolved.

3. Repair system files

Another common reason behind BSODs in Windows is system file corruption.

Your system’s files contain a lot of information, organized in a specific way so that it knows where everything is. In case the information structure is disturbed or the file receives incorrect information, the file will stop working properly and get corrupted. This applies to all types of files and documents on your system.

With corrupted files, you may encounter issues like this. Files can get corrupted for a number of reasons including update errors, system crashes, power failures, and malware.

Fortunately, repairing system files is simple and the most effective way is to run the SFC utility offered by Microsoft through the command prompt. It will scan the system for corrupt files. If any files are identified, it will replace them with their healthier counterparts.

If running the SFC command does not work for you, try performing a DISM scan.

4. Update Drivers

You might also face the win32kfull.sys BSOD due to corrupted or outdated relevant drivers. These drivers become incompatible with the system hardware.

Usually the problem is related to the display and network drivers, but this is not always the case. In this method, we will update all relevant outdated drivers to fix blue screen of death.

Follow these steps to continue:

  1. Type Device Manager in Windows search and click To open.
  2. Alternatively, you can also right-click the Windows icon on your taskbar and choose Device Manager from the context menu.
  3. In the next window, expand each driver section and look for drivers with a yellow exclamation mark against them.
  4. If you find such a driver, right click on it and choose Uninstall device from the context menu.
  5. Follow the onscreen instructions to continue and once the driver is uninstalled, restart your PC. On restart, Windows will automatically install the latest version of the driver.

If you can’t find such drivers, you can try updating the network driver manually, as this did the trick for several users. Here is what you need to do:

  1. In the Device Manager window, expand the Network drivers option.
  2. Locate your network driver and right click on it.
  3. Choose Update driver from the context menu.
  4. In the next dialog box, click Automatically search for drivers and if an update is identified, take your time to install it.

5. Check System RAM

Blue screen errors are also often triggered by faulty RAM. If the methods mentioned above did not work for you, you can try using the Windows Memory Diagnostic Tool to determine if it is the RAM that is causing the problem.

Here is what you need to do:

  1. Type Windows Memory Diagnostic in Windows search and click To open.
  2. In the next dialog box, click Reboot now and check for issues (recommended). Your computer should now restart and upon restarting the tool will begin its process.
  3. Click on F1 to open the options and in the next window click on Expanded.
  4. Then click F10 to apply the changes.

The Windows Memory Diagnostic Tool should now begin performing an extended test that will last a few minutes. When the process is complete, click ESC to exit the tool.

No more win32kfull.sys BSODs

The methods described above should be able to fix the win32kfull.sys BSOD in most cases. However, if you are one of the unlucky group that has made it this far without finding a solution, you can contact the Microsoft team about the error by visiting their Contact Microsoft Support page.

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Steven L. Nielsen