Disclaimer: This guide is based on common solutions for Windows 10 and 11, including common fixes as of early 2026.
If your PC is stuck in a boot loop, you must enter the .
Caution: Ensure your computer does not lose power during a BIOS update, as this can permanently damage the motherboard. Step 5: Disable XMP, EXPO, and Overclocks
If the error has trapped your computer in a continuous boot loop, you must force Windows into . Safe Mode loads only the bare minimum drivers required to run the operating system, bypassing the unstable driver causing the crash. SYSTEM THREAD EXCEPTION NOT HANDLED - repeat BSOD system thread exception not handled new
Right-click your GPU and select . Choose "Search automatically."
How to Fix the "System Thread Exception Not Handled" Blue Screen Error in Windows 11 and 10
The main cause is almost always a faulty, outdated, or incompatible driver . A driver acts as a translator between Windows and your hardware (graphics card, Wi-Fi adapter, hard drive, etc.). When communication breaks down, the system can crash. Disclaimer: This guide is based on common solutions
Run these two commands from an elevated Command Prompt to check and repair OS file corruption and disk errors.
The Fast Startup feature in Windows saves system state data to a hibernation file to speed up boot times. However, this feature can reload corrupted driver data during startup, triggering the "System Thread Exception Not Handled" loop. Press the to open the Run dialog box. Type control and press Enter to open the Control Panel . Go to Power Options > Choose what the power buttons do .
Run DDU while in Safe Mode to completely wipe the existing display driver files. Step 5: Disable XMP, EXPO, and Overclocks If
The desired outcome is to resolve the "System Thread Exception Not Handled" error and regain normal functionality of the computer without encountering system crashes.
Note down any file ending in .sys on your BSOD screen before proceeding to the fixes below. Step 2: Boot Into Safe Mode