Fix Blue Screen of Death (BSOD) Errors in Windows

Blue Screen errors indicate critical system failures. This guide helps you diagnose and fix common BSOD issues.

Step 1: Note the Stop Code

Write down the exact error code displayed. Common codes include:

• PAGE_FAULT_IN_NONPAGED_AREA - Memory issue
• SYSTEM_SERVICE_EXCEPTION - Driver problem
• KERNEL_SECURITY_CHECK_FAILURE - Security violation
• DRIVER_IRQL_NOT_LESS_OR_EQUAL - Driver conflict

Step 2: Boot in Safe Mode

1. Restart computer and press F8 during boot (or Shift + Restart)
2. Select "Troubleshoot" → "Advanced options"
3. Choose "Startup Settings" → "Restart"
4. Press 4 or F4 for Safe Mode

Step 3: Update Drivers

Graphics Drivers:

1. Press Windows + X → Device Manager
2. Expand "Display adapters"
3. Right-click graphics card → Update driver
4. Select "Search automatically"

Other Critical Drivers:

• Chipset drivers (from motherboard manufacturer)
• Network drivers
• Storage controllers
• BIOS/UEFI firmware

Step 4: Run Diagnostic Tools

Memory Diagnostic:

1. Press Windows + R, type "mdsched.exe"
2. Select "Restart now and check for problems"
3. Let the test complete (takes 10-30 minutes)

Disk Check:

chkdsk C: /f /r

Run in Admin Command Prompt. Restart if prompted.

System File Checker:

sfc /scannow

Step 5: Check Hardware

1. RAM: Reseat memory modules, test with MemTest86
2. Hard Drive: Check SMART status with CrystalDiskInfo
3. Overheating: Clean dust, check fan operation
4. Power Supply: Test with PSU tester if available

Step 6: System Restore

1. Boot to Advanced Startup Options
2. Select "System Restore"
3. Choose restore point before issues started
4. Follow prompts to restore

Common Fixes by Error Code

• 0x0000007B: Change SATA mode in BIOS (AHCI/IDE)
• 0x00000050: Disable antivirus temporarily
• 0x000000D1: Update network drivers
• 0x00000124: Disable overclocking, check PSU

Prevention Tips

• Install updates regularly but wait a few days after major releases
• Create system restore points weekly
• Use driver verification tool before installing new drivers
• Keep system cool with proper ventilation