If you are using a wireless internet connection do the opposite and switch to a wired internet connection to see if you still get this error message.
5. Reset Windows 10
- Type reset this PC in the Windows search box.
- Choose Reset this PC to open the window shown directly below.
- Press the Get started button.
- Select the Keep my files option.
- Select the Next and Reset buttons to confirm.
- Reset process will now start. Follow the instructions on the screen to complete the reset.
- Wait for the process to complete. This may take a few minutes, depending on the number of software installed on your machine.
Note: Another method that you can use to fix Ndu.sys errors is refreshing Windows 10. Once you’ve hit the Refresh button, the OS will remove all third party software installed on your computer.
6. Run the BSOD troubleshooter
- Open the Settings app and go to Update & Security section.
- Click on Troubleshoot from the menu on the left.
- Choose BSOD from the right pane and click Run the troubleshooter.
- Follow the instructions on the screen to complete the troubleshooter.
Note: BSOD errors are quite frequent on Windows 10. For this reason, Microsoft added a built-in BSOD troubleshooter to Windows 10’s Settings page.
7. Clean install Windows 10
If nothing worked, performing a clean reinstall is pretty much the last resort method.
Start from scratch allows you to get rid of all the elements that triggered Ndu.sys errors and fix the issue for good.
So, if you want to clean install Windows 10, you need your installation drive or DVD and a lot of patience. The whole process usually takes one hour or two.
We hope that these solutions helped you get your network up and running until Microsoft releases a hotfix for this issue.
This is all you need to do in order to fix the Ndu.sys error message in Windows 10. Also, if you need further help with this issue, please let us know by posting a comment in the comments below.
FAQ: Read more about Ndu.sys error
- What is the Ndu.sys error?
The driver irql not less or equal (ndu.sys) is a BSoD error. There are various causes for a BSoD error, but, you can take a look at our guide including the most common causes for BSoD errors.
- How can I fix the Ndu.sys error?
There are multiple solutions, to solve the issue. Follow our step-by-step guide on how to fix Ndu.sys error is exactly what you need.
Ndu.sys is a Wireless adapter driver. If you have problems with the wireless adapter, read our complete solutions on how to fix it.
Editor’s Note: This article was originally published in March 2015 and was revamped and updated in February 2021 for freshness, accuracy, and comprehensiveness.