When using Windows 8, 8.1 or 10, you are likely to face some annoying error.
One of them is the “SYSTEM THREAD EXCEPTION NOT HANDLED” problem, which appears on BSOD (Blue Screen of Death).
When a computer is held with a BSOD screen, it means your PC is already frozen and shut down at the BSOD screen and require a restart.
So, in this post, we’re going to give you a couple of solutions for fixing this problem but before we go into these solutions let’s take a look at some of the likely causes.
Why Does Windows “System Thread Exception Not Handled” BSOD Error Occur?
This kind of error occurs are due to outdated or corrupted and incompatible graphics card driver.
A recently installed software or driver can also cause the “System Thread Exception Not Handled” BSOD problem.
Corrupt BIOS, Missing Windows Registry File and Damaged Network Hardware can also cause “System Thread Exception Not Handled” BSOD Error.
How to Solve the “System Thread Exception Not Handled” Error BSOD
You don’t need to worry yourself about this error code. We got some fix for you to resolve the “System Thread Exception Not Handled” BSOD error. Here are some possible solutions.
Solution1: Uninstall the Recently Installed drivers
If you recently installed a new driver in your PC, it is very much possible that it was a wrong driver and Windows.
Is not able to interact with the hardware properly thereby causing the “System Thread Exception Not Handled’ error. It would help if you uninstalled the recently installed driver to fix this.
- Navigate to the “Start” menu and type Device Driver in the search box
- Click on the Device Driver from above
- Now you click the driver icons one by one and check faulty driver (Note that the Yellow or Red colors icon sign is the error driver)
- Now uninstall the error drivers and then restart your computer
If you have no corrupted or error drivers, then move to the next solution.
Solution2: Check for BIOS Update
You can fix the “System Thread Exception Not Handled’ error by updating BIOS.
You can check for the BIOS update by going to the motherboard manufacturer’s website.
Before you head to the website, ensure you know the product name and model number of the motherboard.
Here is how to find the model number of the motherboard:
- Press & hold the Windows key and the R key at the same time on your keyboard to trigger a run command
- Type cmd and press Enter
- Then you’ll get the motherboard manufacturer and the model product number.
In your motherboard manufacturer’s website, you will see a list of available BIOS versions.
You will also see if any changes/bug fixes on the release date.
Download new update for BIOS based on model number. You can download a new version if you want to.
Solution 3: Update Device Display Driver
Outdates drivers can cause this error especially graphics card drivers.
You can solve this error issue by updating the old Device Display Driver. To manually update your Display driver:
- Navigate to Device manager
- Expand display driver
- Right click and select update driver software
- Search for automatic driver updated and follow on-screen instructions.
You can also visit the Device manufacturer website to download the latest available graphics card driver version. Uninstall the old graphics driver from your windows.
Restart your computer and install the most recent driver that you just downloaded from the manufacturer website and restart windows again to check if there is no more “System Thread Exception Not Handled” BSOD error.
Solution 4: Boot Into Safe Mode
As discussed earlier, “Thread Exception Not Handled BSOD Error” can also occur due to corrupted graphics card driver issue.
In this case, you must boot to your computer in Safe Mode, and uninstall the corrupt graphics card driver. To boot PC into safe mode:
- Restart your PC, press and hold the Shift and F8 key a few times, until you see the Recovery screen. Click on the “See advanced repair options.”
- Click on the Troubleshoot button – Navigate to Advanced options – Go to Windows Startup Settings – An then click on the “Restart” button.
- After you restart your PC, you will see “Advanced Boot Options” screen. In this stage, you have three option to select:
- The first is “Safe Mode”
- The Second is “Safe Mode with Networking”
- While the third option is “Safe Mode with a Command Prompt”
- Click on “Safe Mode” to have access to your Windows.
After accessing your PC, go to Device Manager to uninstall corrupted graphics driver. Then restart your PC to allow the changes to take effect.
You can now download another graphics card driver from the official website and then install it onto your computer once you’re done with the uninstall process.
Solution 5: Disable Overclocks
The “SYSTEM THREAD EXCEPTION NOT HANDLED” error might be due to overclocking if you recently overclocked your processor, RAM or your GPU.
Overclocking a PC requires a lot of testing and trial and errors. Overclocking your PC makes it run at higher speeds than their official speed grade.
You need to disable the overclock and then check if the system is working correctly and booting fine without the error.
You can overclock your PC using different settings or disable it entirely after the PC is stable.
Solution 6: Reset your PC
Resetting your PC to reinstall Windows, delete your files, settings, and apps—except for the apps that came with your PC is considered to be the last resort for the “SYSTEM THREAD EXCEPTION NOT HANDLED” BSOD error if all the above solutions did not work.
This solution is efficient and can fix most of the BSOD issue. To do reset your computer in Windows 10.
- Navigate to Settings
- Select “Update & security”
- Click Recovery in the left corner. You have three major options:
- Reset this PC
- Go back to an earlier build
- Advanced startup.
- Click “Get Started” under Reset this PC.
- Click either “Remove everything,” or “Keep my files” this will depend on whether you wish to keep your data intact.
- Select “Remove files and clean the drive” or “Just remove my files” if you choose to “remove everything” in the prior step.
- Click on Next if Windows warns you that: “If you reset this Computer, you can’t undo the upgrade & go back to the previous versions of Windows.”
- Click Reset and then click on Continue when prompted.
It’s ideal to back up your files before resetting your PC to keep them safe.
“SYSTEM THREAD EXCEPTION NOT HANDLED” BSOD is a common error prompted, and it’s not easy to fix due to its complexity.
Fortunately, all the solution we explained above would surely help you to solve this BSOD error.
We hope you will apply any one of them and be able to fix the “System Thread Exception Not Handled” BSOD error in your Windows computer.