DELL VOSTRO STOP CODE: SYSTEM THREAD EXCEPTION NOT HANDLED

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Usually, this error occurs because the graphics card driver is outdated. Upgrading the driver to the latest version is one way to fix the issue. However, there could be other factors that may cause this error, such as damaged hard drives, corrupted drivers, BIOS corruptions, corrupted Windows system files or missing Windows registry entries.

you can follow these methods to try to fix the issue:

Method 1: Find and fix error with corrupted drivers.

If you are still able to access your Windows computer after the BSOD occurred, follow these steps:

1. Press Windows Key + X and select Device Manager to check and find error with corrupted drivers.
2. When an error is detected, uninstall the driver and reinstall it, or upgrade to the latest version.

If you fail to access Windows, and your computer keeps on restarting, try to access your computer in Safe Mode, and uninstall the graphics card driver. Once done, you have to download the latest version of the graphics card driver from your PC's manufacturer website, and install it onto your computer. You may refer to this article on how you can start your PC in Safe Mode.

Method 2: Perform Automatic Repair.

1. Do one of the following, depending on whether you have installation media (such as a DVD or USB flash drive):    

• If you have installation media for Windows, start your computer from the installation media. Insert the DVD or USB flash drive and restart your computer. If you see a message asking you to Press any key to boot from DVD, do so. If you don’t see the message, you might need to change the boot order in your computer's BIOS settings so that it first starts from the DVD or USB. When you see the Install Windows page, click Repair your computer to start the Windows recovery environment.
• If you don’t have installation media, use the power button to restart your computer three times. This will start the Windows recovery environment.

2. In the Windows recovery environment, on the Choose an option screen, click Troubleshoot.

3. Click Advanced options and then click Startup Repair.