9 Fixes For “System Thread Exception Not Dealt with” Error

The Blue Display of Dying (BSoD) is an infuriating a part of the Home windows Working System (OS). There are greater than 500 BSoDs that seem in your display screen resulting from important errors. This text is concerning the System Thread Exception not Dealt with BSoD. You probably have skilled this error earlier than, this text additionally accommodates the mandatory precautions to keep away from this concern. 

What’s the System Thread Exception not Dealt with BSoD?

Should you see the SYSTEM_THREAD_EXCEPTION_NOT_HANDLED error message on a giant, blue display screen, it implies that your system’s handler couldn’t management the exception created by a system thread. When this occurs, a Blue Display of Dying is compelled to be displayed with a particular cease code, whereas the pc makes an attempt to determine what went mistaken. One of many largest signs of this Home windows 10 blue display screen error is that it will probably put you in a endless boot loop.

What do the file names on the System Thread Exception not Dealt with error code imply?

As talked about above, there’s, often, a cease code that’s positioned proper after the SYSTEM_THREAD_EXCEPTION_NOT_HANDLED error message within the BSoD. Nonetheless, the identical error code doesn’t seem on all computer systems. Every one in every of them has a singular that means. On this context, all of them are corrupted system information. 

That is what the cease code in your laptop means – 

1. Atikmdag.sys

The Atikmdag.sys is the graphics card driver’s system file for computer systems with AMD Radeon graphics playing cards. Should you see this code with the BSoD error message, it implies that the AMD graphics drivers are previous or not put in correctly. 

2. Nvlddmkm.sys

The Nvlddmkm.sys is the video card driver for Nvidia’s kernel driver on Home windows computer systems.  

3. Dxgmms2.sys

Should you see this error message, it implies that the issue lies with the DirectX drivers and their system information. 

4. Ntfs.sys

The Ntfs.sys is the system file for the Home windows NT server. There might be crashes or errors associated to this file when you see this because the error code. 

5. Bcmwl63a.sys

This technique file is for the Broadcom 802.11 wi-fi Community Adapter driver. Although it’s an uncommon exterior factor, it will probably trigger this BSoD.

6. CMUDA.sys

In case your audio output system is linked with the assist of a USB port, a singular driver is created. If this driver fails you’ll face this error. 

7. Fltmgr.sys

These are the system information for the Microsoft FileSystem Filter Supervisor. You may see this on the finish of the error message too. 

What causes the System Thread Exception not Dealt with concern in your Home windows 10 PC?

There should not many explanation why the System Thread Exception not Dealt with BSoD is displayed in your display screen. These are what can probably trigger this blue display screen on a Home windows 10 primarily based laptop. 

1. A reboot or a standard boot of the system could make this error seem as a substitute of letting you sign up to your PC. The explanations are unknown. 
2. It might probably present up when a program is utilizing the pc’s graphics card. 
3. The GPU drivers are previous or corrupt. 
4. Graphics Card drivers have been taken over by malware or another type of the virus. 

Steps to repair the System Thread Exception not Dealt with error on Home windows 10

1. Launch the Home windows OS in Protected Mode
   1. Home windows Settings
   2. Signal-in web page
   3. Clean web page or crashed system
2. Find the troublesome driver
3. Replace drivers or Rollback to a beforehand put in driver software program model
4. Rename the corrupt File
5. Run the DISM and SFC scans
6. Restore the system with a System Restore level
7. Carry out a Reminiscence Analysis check
8. Replace the UEFI/BIOS Firmware
9. Do a Clear boot of your Home windows OS

Eliminating the System Thread Exception not Dealt with error message

Launch the Home windows OS in Protected Mode

Protected mode lets Home windows customers entry solely crucial options of the pc. If the issue doesn’t exist in secure mode, it implies that a driver will not be accountable for it. There are 3 ways for Home windows 10 customers as well into secure mode. 

Home windows Settings

1. Open Home windows settings in your PC by urgent Home windows + I keys collectively. You too can launch it via the Begin menu (Home windows key).
2. Open the Replace & Safety settings tile. On the left pane, select the Restoration tab. From the Superior Startup part, choose Restart Now. 

3. As soon as the rebooting is finished, you will note the Select an Possibility display screen.
4. Choose a approach for the pc as well Home windows up within the Protected mode. Your system is ready to boot into three kinds of secure mode. 

1. Regular Protected Mode –  press the quantity 4 button or the F4 button in your keyboard.
2. Protected Mode with Networking – press the 5 key or F5 key.
3. Protected Mode with Command Immediate – press the 6 or F6 key

Signal-in web page

1. Press and maintain the Shift key on the keyboard and click on on the Energy button on the underside proper a part of the display screen.
2. Now, click on on Restart and the Working System will reboot. From the Select an Choices menu, do as instructed and select Troubleshoot.
3. Open the Superior Choices. 
4. Click on on Startup Settings. Should you aren’t capable of see this feature, choose it from the ‘See extra restoration choices’ menu. 
5. Home windows 10 would warn you of the modifications that can occur to your laptop if it was rebooted. Take into account this and select Restart.

Troubleshoot > Superior Choices > Startup Settings > Restart

6. On the subsequent web page, choose what sort of Protected mode you need your system as well up in.

Clean web page or crashed system

In case your Home windows 10 PC has crashed and all you see is a lit black display screen, this can be a symptom that your PC is presently going through a important downside. Should you want the Protected Mode right here, you’ll be able to launch it by pushing the facility button to show the pc off and again on. Whereas the OS and the exhausting drive boot up, flip it off once more. Repeat these steps thrice and this can launch the Automated Restore window. You’ll now have to decide on one of many kinds of booting up the PC in secure mode. 

Find the troublesome driver

The next processes contain a whole lot of drivers and we can’t make modifications with out discovering out which driver is accountable for the System Thread Exception not Dealt with concern in your laptop. The Occasion Viewer will assist you to find the motive force that’s defective and has been inflicting bother. 

These are the steps to search out the accountable driver via the Occasion Viewer:

1. Launch the Run device via the beginning menu or by urgent Home windows + R keys.
2. Execute the eventvwr command and press Enter or click on on the Okay button. 
3. Navigate to the Home windows logs part and open the drop-down menu in it. 
4. Select the system choice and find the system thread exception not dealt with error.

It is possible for you to to test the main points about which driver has been inflicting you bother and another particulars. Observe the motive force that causes this error.

Replace drivers or Rollback to a unique driver software program model

The easiest way to take care of a driver-related concern is to replace it to a more moderen model or to roll again to a earlier model of the motive force software program. These are the steps to observe these procedures to repair the problem.

1. Deliver up the Fast hyperlink (Energy Person) menu by right-clicking on the Begin button. You too can use the Home windows key + X keyboard hotkeys. 
2. Choose Gadget Supervisor from it to open the window. 
3. Now, broaden the part which accommodates the problematic driver. In case your Graphics card is inflicting the problem, you’ll discover them within the Show Adapters part. For sound drivers, look within the Sound, Video, and Sport controllers class. In case your audio output comes via the USB port, test the Common Serial Bus controllers part. 

4. Double-click the system to open the Gadget Properties dialog field and go into the Driver tab. 
5. Click on on Replace driver and select Search routinely for drivers within the replace wizard to replace the drivers. It will obtain the newest model of the motive force and set up it for you. 
6. To go to the earlier model of the motive force software program, click on on the Roll Again driver button. This driver will begin utilizing the beforehand put in model of this software program.

If this doesn’t work, you can even click on on the Uninstall Gadget choice after which, obtain a brand new model of the motive force from the producer’s web site. Should you see an choice named “Delete the motive force software program for this system”, test the field and click on on the Uninstall button.

Restart your laptop after this course of. 

Rename the defective driver File

When a defective driver is inflicting BSoDs, you’ll be able to change its identify so that it’ll make a brand new copy of the motive force and thereby, trigger it to reinstall. That is how one can rename the corrupt file. 

1. Open the Home windows File Explorer window (Home windows + E) and go to this folder listing:

C: Home windows System32 drivers

2. Find the defective driver that you just observed within the Occasion Viewer and right-click on it.
3. From the context menu, select Rename. 
4. Delete the format a part of the identify and exchange it with .previous.
5. Save the modifications and shut the window.

In any case, that is full, it’s a must to reboot the system to save lots of these modifications. 

Run the DISM and SFC scans

The Deployment Picture Servicing and Administration (DISM) is a system device that’s run to make modifications within the Home windows 10 set up media or to search out and repair points that may come up within the Home windows picture file. 

These are the steps to carry out a DISM scan.

1. Kind in cmd within the search bar on the backside of your display screen and choose Run as Administrator within the search outcomes. It will launch the Command immediate window with admin privileges. 
2. Within the Command Immediate window, it’s a must to execute the next instructions within the given order:

DISM.exe /On-line /Cleanup-image /Scanhealth

Scans the system for corrupted information.

DISM.exe /On-line /Cleanup-image /Checkhealth

Checks if the picture information are wholesome or corrupt.

DISM.exe /On-line /Cleanup-image /Restorehealth

Fixes the detected file injury.

3. Press Enter to execute these script traces. 

A System File Checker (SFC) is a scanning device that’s used to search out file injury and exchange them with a recent and suitable copy of the identical file in order that the pc runs with none main errors. 

These are the steps to begin an SFC scan.

1. Open the Command Immediate device or the Home windows PowerShell utility together with system administrator privileges. The search bar might be a great choice for this.
2. Within the script window, enter this command:

sfc /scannow

3. Now, press Enter in your keyboard and execute it.

We suggest working the SFC scan two or 3 times, simply to be secure. 

Observe: It is very important open the Home windows PowerShell or Command Immediate as an administrator of the pc, as these operations will make modifications within the laptop configuration. 

Restore the system with a System Restore level

1. Insert a USB drive that accommodates the Home windows set up media to a USB port and restart your laptop. You will get the Home windows Set up media supply from the Microsoft web site. 
2. Then, launch the Troubleshoot settings and go into the Superior Choices window.
3. When you’re on the Superior Choices web page, choose the System Restore choice. In its place, seek for System Restore via the taskbar and open the topmost outcome.
4. Within the System Properties dialog field, press the System Restore button, from beneath the System Safety tab.
5. Generate a restore level and click on on the Subsequent button within the System Restore window.

6. You probably have created restore factors beforehand, you’ll be able to see them and entry their particulars. 
7. Click on on the End button and choose Sure to shut this window.

Carry out a Reminiscence Analysis check

Home windows 10 has a built-in scanner that can completely test for points that may root from the laptop’s RAM. Sudden RAM crashes also can show blue display screen errors. The Reminiscence Diagnostic device can be utilized to search out and repair most issues with the pc’s bodily reminiscence, logically. 

These steps will assist you to run a reminiscence diagnostic check.

1. Boot up your laptop. A traditional boot is suitable however booting up in Protected mode is really useful. Confer with the above steps. 
2. Press the Home windows key and R to open the Run device. 
3. Open the Reminiscence Analysis dialog field, by typing within the mdsched.exe command and working it with the assistance of the Enter key or the Okay button. 
4. Click on on the Restart now and test for issues choice to start the method. It might probably take fairly a very long time to complete. 
5. As soon as the analysis is full, it is possible for you to to search out the ends in the Occasion Viewer window. 

Replace the UEFI/BIOS

The UEFI/BIOS is the software program that manages the occasions that happen through the time your laptop takes to sign up to the Home windows OS. Since you’ll be able to expertise the System Thread Exception not dealt with error if you boot your laptop up, this fixes the System Thread Exception not dealt with error in your laptop. 

1. Go to your motherboard or laptop computer producer’s web site with the assistance of a browser.
2. Right here, you’ll have to discover the newest model of the BIOS software program and obtain it.
3. As soon as the obtain is full, go to the obtain location and run it because the Administrator. You’ll usually obtain an executable file, that may be run simply. 
4. Should you get a compressed file, it’s a must to extract it to a USB drive, join the USB drive to your laptop, and launch BIOS menu to put in the replace.

It is a very dangerous course of as it will probably cease the pc from functioning usually. In case your system has an interface, that permits you to obtain BIOS updates, use it. 

Do a Clear boot of your Home windows OS

1. Proper-click on the Begin menu and select Run from the Fast Hyperlink menu.
2. Click on on Okay or press Enter to execute the msconfig command.
3. Within the Basic tab, click on on the Load Startup gadgets checkbox to disable it.

4. Then, open the Companies tab and test the Cover all Microsoft providers choice and click on on the Disable all button. 

5. Go into the Startup tab and click on on the Open Activity Supervisor hyperlink.
6. Open the Startup tab within the Activity Supervisor and disable each course of that’s enabled on this window.

7. Shut the Activity Supervisor by clicking on Apply and Okay buttons.

Reboot the system after this course of is full, for a clear boot.

These are the completely different steps that can be utilized to repair System Thread Exception not Dealt with error in your Home windows 10 laptop. By now, you must have realized that although it sounds scary, it’s truly nothing to fret about.

FAQs

How do I repair system thread exception not dealt with?

Boot into secure mode, replace, rollback, or take away and reinstall the faulty driver, set up the newest BIOS firmware, after which do a clear boot of your laptop to repair the System Thread Exception not Dealt with error.

What does system thread not dealt with imply?

The SYSTEM_THREAD_EXCEPTION_NOT_HANDLED error message implies that your system’s handler couldn’t management the exception created by a system thread. This might be brought on by defective drivers, or RAM points when the system is being booted up. 

Can RAM trigger system thread exception not dealt with?

Sure, From the minute the pc is turned on to the second it’s shut off, the CPU reminiscence or RAM performs an important function. If you first flip in your laptop, it’s possible you’ll obtain the System Thread Exception not Dealt with downside. It is a potential reason for the blue display screen error message. 

How do I repair the system thread exception not dealt with Fltmgr Sys?

To repair the System Thread Exception not Dealt with blue display screen error, you’ll be able to –
Replace or Rollback your drivers
Rename the corrupt file 
Carry out DISM and SFC scans
Go to a saved System Restore level
Diagnose the system reminiscence
Replace your UEFI/BIOS Firmware
Carry out a Clear boot of the system