Ndis.sys BSoD: How to fix it in Windows 11 and 10

If you encounter a Blue Screen of Death with the stop code ndis.sys, this guide can help! After explaining what ndis.sys is and discussing the causes of this error, we will cover all the troubleshooting methods to fix this annoying BSoD error.

What is ndis.sys?

NDIS (Network Driver Interface Specification) is the legal system driver for network interface controllers. It handles communication and connections between all connected devices and components on a computer network.

The ndis.sys file is a basic system file developed by Microsoft. It is related to NDIS and serves as a collection of system driver configurations that Windows uses to establish communication with hardware and connected devices. This file is usually located in the C:\Windows\System32\drivers folder.

What causes ndis.sys BSoD error on Windows 11 and 10?

This Blue Screen of Death error can have multiple causes; some common ones are mentioned here:

• Corrupted Device Driver - If your network driver Corruption or damage may cause this BSoD error. You must update, reinstall, or roll back the driver to resolve this issue.
• Malware Infection – Viruses on your computer can corrupt essential system files, which can cause all kinds of trouble, including this one. To fix this issue, run a malware scan.
• Corrupted System Files – If a system file is corrupted, it may cause problems when performing normal functions on the computer, including this error. To fix it, you need to repair system files.
• Hard Drive Issues – You may encounter this error if any hardware is not installed properly on the motherboard or is damaged. Check that the components are all placed perfectly.

Now that we know why this happens, let’s move on to actual solutions to fix BSoD errors on Windows 11 and 10.

What can I do to fix ndis.sys BSoD error on Windows 11?

Before performing advanced troubleshooting steps, you should consider performing the following checks:

• Check for window updates.
• Check that your BIOS and firmware are up to date.
• Temporarily disable anti-virus software.

If these quick fixes don’t work for you, let’s move on to the solutions below.

1. Run the Windows Memory Diagnostic Tool

1. key, type Windows Memory Diagnostic program, and then click "Open". Windows
2. In the Windows Memory Diagnostic tool window, click Restart now and check for problems (recommended).
3. The Windows Memory Diagnostic Tool scans your memory for any problems. Your computer will restart and the tool will verify and test the RAM.

Once completed, your PC will restart again. You can view the results in the Windows Memory Diagnostics notification. If a memory module failure is detected, perform the test again. Check whether the memory module is connected correctly. If so, you may need to replace it.

2. Scan your computer for malware and viruses

1. Press the Windows Security key, and then click Open. Windows
2. Go to Virus & Threat Protection and click Scan Options.
3. Now select Full Scan and click Scan Now.
4. The tool will scan your computer for infections. Once the scan is completed, it will display the malicious files. Delete it when prompted to fix the problem.

Microsoft Defender is the built-in antivirus software in Windows 10 and 11, but it is not foolproof. If you have the option, you can also scan your PC using third-party antivirus software.

3. Run Disk Cleanup

1. Press to open the "Run" dialog box. WindowsR
2. Type cleanmgr and click OK to open Disk Cleanup.
3. In the "Disk Cleanup: Drive Selection" window, select "C Drive" and click "OK".
4. Now click on Clean System Files.
5. In the Disk Cleanup: Drive Selection window again, select the C drive and click OK.
6. Under the Files to Remove section, select all entries and click OK.
7. Next, click Delete File.

4. Troubleshoot network driver issues

4.1 Roll back the driver

1. Press to open "Run" command box. WindowsR
2. Type devmgmt.msc and click OK to open Device Manager.
3. Go to Network Adapters and expand it.
4. Right-click on the listed driver and select "Properties" from the context menu.
5. Go to the Driver tab on the Properties window and click Rollback Driver.
6. Select the reason for the rollback in the next window and click "Yes".

Network drives will be rolled back to the previous version. If the "Roll Back Driver" option is grayed out, it means you don't have an old driver to restore and you should move on to the next solution below.

4.2 Reinstall the network driver

1. Open Device Manager using the above steps.
2. Go to Network Adapters and expand it.
3. Right-click on the listed driver and select Uninstall Driver from the context menu.
4. Click Actions and select Scan for hardware changes to reinstall the driver.

5. Perform a clean boot

1. Press to open the Run console. WindowsR
2. Type msconfig and click OK to open the System Configuration window.
3. Go to the Services tab, place a checkmark next to Hide all Microsoft services, and click Disable All.
4. Switch to the "Startup" tab and click "Open Task Manager".
5. Right-click all enabled items one by one and select Disable. Close the task manager.
6. Next, in the System Configuration window, click Apply and OK.
7. Click Restart.

Your computer will now restart with minimal drivers and startup programs. If the problem doesn't occur, it's caused by a background or third-party app. Please delete it.

6. To perform an SFC and DISM scan, press the

1. key, type cmd, and then click Run as administrator. Windows
2. Type the following command to repair system files and click: Enter<strong>sfc/scannow</strong>
3. Copy and paste the following command to repair the Windows operating system image and press: Enter<strong>DISM /Online /Cleanup-Image /RestoreHealth</strong>
4. Restart your computer for the changes to take effect.

Expert Tip:

Certain PC problems are difficult to solve, especially when Windows’ system files and repositories are missing or corrupted.
Be sure to use a specialized tool, such as Fortect, which will scan for corrupted files and replace them with new versions from their repository.

Apart from these steps, you can also choose automatic tools that can detect corrupt files, Windows errors and BSoD errors in a short time.

More precisely, you can launch the software to start a complete scan, identify system issues and fix them with a single click.

⇒ Obtain Fortress

7. Check the disk for errors

1. Press the cmd, and click Run as administrator. Windows
2. Type the following command to check the hard drive for bad sectors and try to repair them to make them readable in the file system and hit: Enter<strong>chkdsk /f /r</strong>
3. Restart the computer.

8. Perform system restore

1. Press to open the Run console. WindowsR
2. Type rstrui and click OK to open the System Restore wizard.
3. Select "Choose a different restore point" in the "System Restore" window, and then click "Next."
4. Select a restore point and click Next.
5. Click "Finish" to start the restore process.

If the process is unsuccessful, you can read our guide on what to do if system restore doesn’t work on Windows 11.

What can I do to fix ndis.sys BSoD error on Windows 10?

To fix the Blue Screen of Death error on Windows 10, you can follow the above-mentioned methods for Windows 11.

If these methods don't work for you, you can use this guide to reset your PC to resolve this issue on your Windows computer.

So, these are the methods you can use to fix ndis.sys BSoD error on Windows 10 and 11. If nothing works, you'll need to perform a clean installation of Windows.

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