
The Blue Screen of Death (BSOD) appears when Windows encounters a critical error it cannot recover from. While alarming, most BSODs are fixable.
The Blue Screen of Death (BSOD) appears when Windows encounters a critical error it cannot recover from. While alarming, most BSODs are fixable.
The error message includes a STOP code. This tells you what caused the crash:
| Common Stop Code | Likely Cause |
|---|---|
| MEMORY_MANAGEMENT | Faulty RAM |
| SYSTEM_SERVICE_EXCEPTION | Driver or software issue |
| PAGE_FAULT_IN_NONPAGED_AREA | Corrupted driver or faulty hardware |
| IRQL_NOT_LESS_OR_EQUAL | Driver problem |
| CRITICAL_PROCESS_DIED | System file corruption |
| DRIVER_IRQL_NOT_LESS_OR_EQUAL | Specific driver failure |
| VIDEO_TDR_FAILURE | Graphics card or driver |
| KERNEL_SECURITY_CHECK_FAILURE | Corruption or incompatible software |
Restart your computer. If the error does not return, it was a one-time glitch.
If Windows keeps crashing:
F8 (or hold Shift + Restart)Safe Mode loads minimal drivers. If the error does not occur in Safe Mode, a driver or startup program is the likely cause.
Settings → System → Troubleshoot → Other Troubleshooters → Blue Screen
Windows will scan for common causes.
Settings → Windows Update → Check for Updates
Many BSODs are caused by bugs Microsoft has already patched.
Outdated or corrupted drivers cause most BSODs.
Use the manufacturer's website (NVIDIA, AMD, Intel) rather than Windows Update for critical drivers like graphics.
# Open Command Prompt as Administrator
sfc /scannow
This scans and repairs corrupted system files.
# Check hard drive for bad sectors
chkdsk /f /r
You will need to restart. Let it run — it may take hours on large drives.
Faulty RAM is a leading cause of BSODs.
If BSODs started after installing software:
Settings → Apps → Installed Apps → Sort by date → Uninstall recent additions
Control Panel → Recovery → Open System Restore
Choose a restore point from before the BSODs started.
When you BSOD, Windows saves a dump file. Tools like BlueScreenView (free) can analyze these:
| Action | Frequency |
|---|---|
| Keep Windows updated | Monthly |
| Update drivers (especially GPU) | Every 2-3 months |
| Run SFC scan | After any crash |
| Check disk health (CrystalDiskInfo) | Monthly |
| Clean inside your PC | Every 6 months |
| Monitor temperatures | Ongoing (HWMonitor) |
BSOD Occurred?
├─ Restart, see if it returns
├─ Yes? → Check STOP code
│ ├─ MEMORY_MANAGEMENT → Test RAM
│ ├─ VIDEO_TDR → Update GPU driver
│ ├─ DRIVER_IRQL → Update all drivers
│ └─ SYSTEM_SERVICE → sfc /scannow
├─ Still happening? → Safe Mode
│ ├─ Works in Safe Mode → Software/driver issue
│ └─ Same in Safe Mode → Hardware/system issue
└─ Still failing? → System Restore or Reset
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