A Blue Screen of Death (BSOD) appears when Windows encounters a critical system
error. It can be alarming, but most blue screen errors are caused by software,
driver, or hardware issues that can be fixed without reinstalling Windows.
This guide explains simple and safe ways to fix Windows Blue Screen errors
on Windows 10 and Windows 11.
Common Blue Screen Error Messages
- IRQL_NOT_LESS_OR_EQUAL
- CRITICAL_PROCESS_DIED
- PAGE_FAULT_IN_NONPAGED_AREA
- SYSTEM_THREAD_EXCEPTION_NOT_HANDLED
Why Does Blue Screen Error Occur?
- Faulty or outdated device drivers
- Corrupted system files
- Recently installed software or updates
- Hardware problems such as RAM or disk issues
Fix 1: Restart Your Computer
A temporary system glitch can trigger a blue screen.
- Restart your PC
- Observe if the error reappears
Fix 2: Boot into Safe Mode
Safe Mode loads Windows with minimal drivers.
- Restart your PC
- Press Shift + Restart
- Select Troubleshoot → Advanced Options → Startup Settings
- Choose Safe Mode
Fix 3: Update Device Drivers
Outdated drivers are a major cause of BSOD errors.
- Right-click Start → Device Manager
- Update drivers for display, network, and storage
- Restart after updating
Fix 4: Uninstall Recently Installed Software
New software can conflict with system files.
- Open Settings → Apps
- Uninstall recently added programs
- Restart your PC
Fix 5: Run System File Checker (SFC)
This tool repairs corrupted Windows system files.
- Open Command Prompt as Administrator
- Type
sfc /scannow - Wait for the scan to complete
Fix 6: Check Disk Errors
Disk issues can cause system crashes.
- Open Command Prompt as Administrator
- Run
chkdsk /f - Restart if prompted
Fix 7: Run Windows Memory Diagnostic
Faulty RAM can trigger blue screens.
- Press Windows + R
- Type
mdsched.exe - Restart and allow memory test to run
Prevent Future Blue Screen Errors
- Keep Windows and drivers updated
- Avoid installing unknown software
- Regularly scan for malware
- Shut down PC properly
Frequently Asked Questions
Is blue screen error serious?
It can be serious, but most cases are software-related and fixable.
Does BSOD mean my PC is damaged?
Not always. Many BSODs are caused by driver issues.
Should I reinstall Windows?
Reinstallation should be the last option after trying all fixes.
Conclusion
Blue Screen errors look scary, but they usually have simple solutions. By
following the steps above, you can fix most BSOD problems safely and restore
system stability.
If the issue continues, professional diagnosis may be required.
Disclaimer: This guide is for educational purposes only.
Steps may vary depending on system configuration.