Table of Contents What is system thread exception not handled?How does this error affect your PC?Why BSOD error occurs?Let boot windows into safe mode and then perform solutionTry this method if your PC is half …


What is system thread exception not handled?


we get a blue screen in the case of SYSTEM_THREAD_EXCEPTION_NOT_HANDLED. This blue screen error called Blue Screen of Death (BSOD) is faced by a Windows operating system’s user when drivers that are using in current windows corrupted or incompatible with it. This thread displays that exception cannot be handled by the system and owner need to resolve this issue.

How does this error affect your PC?

It stuck your PC on a continuous restarting loop. It may cause mostly due to a corrupted graphic driver and display a blank screen. 

Why BSOD error occurs?

It is scary to get this error on your Screen. It is mostly associated with graphic drivers when the installed driver is incompatible with the windows that are currently using in your machine. This error also occurs due to faulty corrupted drivers in your PC or caused by the wrong installation or missing or of outdated drivers. 

If you get the name of error exception handling, then it is easy for you to resolve it. Such as you get nvlddmkm.sys error. This is Nvidia graphic card driver error that the system cannot be handle by itself, and you need to repair it. 

Below are some of error that are the reason of BSOD.

  • nvlddmkm.sys : NVIDIA graphics driver 
  • igdkmd64.sys : Intel graphics driver 
  • atkimpag.sys : AMD graphics driver 
  • hidclass.sys : Mouse or keyboard driver 
  • acpi.sys : Windows ACPI driver  
  • rtkvhd64.sys : Realtek audio driver 
  • syntp.sys : Synaptics Touchpad driver 
  • tcpip.sys : Network card driver 
  • usbxhci.sys : USB driver  

Fortunately, if you are getting the corrupted driver indication on your blue screen, you can fix it directly. Otherwise, you will first detect the corrupted driver and then fix it manually

It stuck your PC on a continuous restarting loop. This may cause your computer to have a restart after 30 seconds in loops. If your computer fully boots before prompting, then set your computer at safe mode by following the steps

Let boot windows into safe mode and then perform solution

  1. Click on the window icon, click on the power button. Press and hold the shift key before click restart. 

Hold shift key till restart your pc with this screen.  Select step by step as below screenshot.


Press the F5 key to start your PC into safe mode with the network.


Try this method if your PC is half booting.

2. If your computer is half booting, press the power button for 10 seconds until it is completely turned off, turn on your PC, when shows the manufacturing company logo (such as Dell/hp) press and hold the power button again for 10 seconds until the system offs. Turn on again and repeat this process till your PC is turned on in safe mode.

3. Another way to boot into safe mode is to use the bootable Flash drive that will open the installation window, choose the Repair option, and then follow the above method as Troubleshoot> Advanced Option > Startup Settings >Restart > F5. 

In safe mode, the computer limits your access, and you cannot use the internet or external devices.


After switching into safe mode, detect which driver is damaged.

Press window key + R that will open a box, write the “eventvwr” command in that dialogue box, and press enter. This will open Event viewer, select Windows logs from the left pane, and select System from the drop-down menu. This will show all events and you can detect which driver is showing SYSTEM_THREAD_EXCEPTION_NOT_HANDLED error.

After getting the name of the exception error, try to repair it by using the following methods.

Method 1: Update Drivers.

Suppose you are getting an error due to your graphic card. 

Open Device Manager.


Select and update corrupted driver.


Select Browse my computer for drivers.


Select the Let me pick from a list option.


Select the graphic card driver that is using on your PC. I’m choosing the Intel Graphic card family that is compatible with my PC.


Click next and start installing the driver into your PC. This process will take few minutes to complete. 


Method2: uninstall and reinstall the driver

First, you must know that which driver is corrupted and driver details.  Download corrupted drivers when you are using the internet on a normal screen because you cannot download in the safe mode.


After uninstalling, download an updated version of the driver from the internet. You can download the driver by using the product name and number that is compatible with your device. 


Method 3: Roll Back Drivers

If your driver is corrupted due to a new update, roll back will set your driver on the backdate when it was working fine. 

To roll back your driver open Device Manager> Display adapter> Properties> Driver tab


Select roll back to the previous date. 


Note: If the roll back option is greyed out, it means there is no previous driver recovery, and you cannot Roll Back your Driver.

Method 4: Repair corrupted files by using Deployment Image Servicing and Management (DISM) commands

Run power shell as an administrator and execute the following commands. These commands will take more time so be patient and run the next command when the previous is completed successfully.

This command scans the system and replaces corrupted files if they are present.

sfc /scannow 

 This command checks out that the system can repair the damaged files or not.

DISM /Online /Cleanup-Image /CheckHealth

It scans the system for any damage

DISM /Online /Cleanup-Image /ScanHealth

It repairs the Operating System that is running currently

DISM /Online /Cleanup-Image /RestoreHealth  

Method 5: Update your windows 10. 

You can only update your windows when you are on a normal screen. On the safe mode, you cannot update windows.

Click on settings > update and security. Check if there is any update available for your windows and update your PC.


Method 6: Reset Windows 10

This method will reset your windows without losing data. It set all the setting as default and make windows fresh.

From the windows icon, select settings >Update and Security > Recovery > Get started > Keep my Files > Reset.

This procedure will take a while and repair all the damage that is taking place in windows.



In this article, we have tried to solve the issue SYSTEM_THREAD_EXCEPTION_NOT_HANDLED that shows a blue screen of death (BSOD). It is difficult to handle if you are unaware of how to perform basic settings in windows. But this article helps you step by step to solve this issue easily if you are not an expert. Six different methods will probably solve this issue. 

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