Why does my Lenovo Legion laptop keep getting a BSOD only during gaming?

BSODs during gaming on a Lenovo Legion are most commonly caused by GPU driver crashes (stop code: SYSTEM_THREAD_EXCEPTION_NOT_HANDLED with nvlddmkm.sys or atikmpag.sys), overheating under sustained GPU/CPU load, or instability from overclocking. Start by doing a clean GPU driver reinstall using DDU in Safe Mode, then monitor temps with HWiNFO64 during a gaming session. If temps exceed 90°C on the GPU or 95°C on the CPU, a repaste or additional cooling is needed. Also disable any overclock profiles in MSI Afterburner.

My Lenovo laptop shows BSOD on startup with CRITICAL_PROCESS_DIED — how do I fix it?

CRITICAL_PROCESS_DIED on startup usually means a core Windows process failed to launch, often due to corrupted system files or a failing drive. Boot into the Windows Recovery Environment (press F11 during startup or use a bootable USB), open Command Prompt, and run: 'sfc /scannow' and 'DISM /Online /Cleanup-Image /RestoreHealth'. Also run 'chkdsk C: /f /r' to check for disk errors. If the drive shows bad sectors in CrystalDiskInfo, it needs to be replaced.

I got a BSOD after a Windows Update on my Lenovo — what should I do?

A BSOD immediately after a Windows Update is a strong sign that the update included a driver or component that conflicts with your Lenovo hardware. First, boot into Safe Mode. Then uninstall the recent update: go to Settings > Windows Update > Update History > Uninstall Updates, and remove the most recent cumulative update. You can also roll back drivers in Device Manager. For future updates, use Windows Update settings to pause updates temporarily while you verify compatibility. Check the Lenovo support site for known incompatibilities with your model.

What is DRIVER_IRQL_NOT_LESS_OR_EQUAL on a Lenovo and how do I fix it?

The stop code DRIVER_IRQL_NOT_LESS_OR_EQUAL (0x000000D1) means a kernel driver attempted to access pageable memory at an improper interrupt request level. On Lenovo laptops, this is frequently caused by network adapter drivers (Intel or Realtek), Bluetooth drivers, or GPU drivers. Analyze the minidump in WhoCrashed to find the faulting .sys file. Then update or roll back that specific driver. Common fixes: update Intel Network Adapter drivers from Intel's official site, update Bluetooth drivers from Lenovo's support page, or do a clean GPU driver reinstall with DDU.

How do I find out what caused the BSOD on my Lenovo laptop?

After a BSOD, Windows saves a small memory dump to C:\Windows\Minidump\. You can analyze this file using: (1) WhoCrashed — free tool that reads minidumps and gives plain-English crash reports; (2) WinDbg — Microsoft's official debugger, available free from the Microsoft Store; open the .dmp file and type '!analyze -v' for a full analysis. The output will tell you the exact stop code, the faulting driver or process name (e.g., nvlddmkm.sys, ntoskrnl.exe), and the memory address. Event Viewer (Win + X > Event Viewer > Windows Logs > System) also logs critical errors around the time of the crash.

Lenovo BSOD: How to Fix Blue Screen of Death on Lenovo & Lenovo Legion Laptops

Fix Lenovo BSOD errors fast. Step-by-step guide covering driver updates, RAM checks, and Windows fixes for Lenovo Legion and all Lenovo laptops.

Last updated: March 1, 2026

Last verified: March 1, 2026

2,385 words

Key Takeaways

Root Cause 1: Outdated, corrupt, or incompatible drivers — especially GPU, chipset, and Lenovo-specific firmware drivers — are the #1 cause of BSOD on Lenovo and Lenovo Legion laptops.
Root Cause 2: Faulty or incompatible RAM, overheating hardware, or a corrupted Windows system file (ntoskrnl.exe, hal.dll) triggering stop codes like MEMORY_MANAGEMENT (0x0000001A), DRIVER_IRQL_NOT_LESS_OR_EQUAL (0x000000D1), or SYSTEM_THREAD_EXCEPTION_NOT_HANDLED.
Root Cause 3: Conflicting third-party software, aggressive overclocking (common on Legion gaming models), or a failing SSD/HDD causing CRITICAL_PROCESS_DIED or KERNEL_SECURITY_CHECK_FAILURE.
Quick Fix Summary: Boot into Safe Mode, update or roll back drivers via Device Manager, run 'sfc /scannow' and DISM to repair Windows, check RAM with Windows Memory Diagnostic, and if needed perform a clean driver install using DDU (Display Driver Uninstaller) for GPU drivers.

Fix Approaches Compared
Method	When to Use	Time	Risk
Update/Roll Back Drivers	BSOD after Windows Update or driver install; stop code mentions a .sys file	15-30 min	Low
SFC & DISM Repair	Corrupted system files suspected; CRITICAL_PROCESS_DIED or KERNEL_SECURITY_CHECK_FAILURE	20-45 min	Low
Windows Memory Diagnostic / MemTest86	MEMORY_MANAGEMENT or PAGE_FAULT_IN_NONPAGED_AREA stop codes; random BSODs	30 min – 8 hrs	None
DDU Clean GPU Driver Install	GPU driver corruption; SYSTEM_THREAD_EXCEPTION_NOT_HANDLED with nvlddmkm.sys or atikmpag.sys	30-60 min	Low
CHKDSK Disk Repair	BSOD with BAD_POOL_HEADER or after sudden shutdowns; SSD/HDD suspected	15 min – 2 hrs	Low-Medium
BIOS/UEFI Firmware Update	BSODs persist after all software fixes; hardware compatibility issues on Legion	20-30 min	Medium
Windows Reset / Clean Install	All other methods failed; frequent unrecoverable BSODs	1-3 hrs	High (data loss)

Understanding Lenovo BSOD Errors

A Blue Screen of Death (BSOD) on a Lenovo or Lenovo Legion laptop is Windows' emergency stop mechanism — it halts the operating system the moment it detects a fatal error that it cannot safely recover from. The screen displays a stop code (e.g., MEMORY_MANAGEMENT, DRIVER_IRQL_NOT_LESS_OR_EQUAL) and, in most cases, saves a minidump file to C:\Windows\Minidump\ for post-mortem analysis.

Lenovo Legion gaming laptops are particularly prone to BSOD events due to their dual-GPU configurations (integrated Intel/AMD + discrete NVIDIA), aggressive power management, and the fact that many users push hardware with overclocking and third-party utilities like MSI Afterburner or Lenovo Vantage.

Common Lenovo BSOD Stop Codes

MEMORY_MANAGEMENT (0x0000001A) — RAM error or memory allocation failure.
DRIVER_IRQL_NOT_LESS_OR_EQUAL (0x000000D1) — A driver tried to access memory at an illegal IRQL level. Often tied to network or GPU drivers.
SYSTEM_THREAD_EXCEPTION_NOT_HANDLED — A system thread generated an exception that the error handler didn't catch. Common culprits: nvlddmkm.sys (NVIDIA), atikmpag.sys (AMD), igdkmd64.sys (Intel).
KERNEL_SECURITY_CHECK_FAILURE — Data corruption or memory corruption detected. Can be RAM, SSD, or driver-related.
CRITICAL_PROCESS_DIED — A critical Windows process (like smss.exe or csrss.exe) was terminated unexpectedly.
PAGE_FAULT_IN_NONPAGED_AREA — The system attempted to access a memory page that wasn't available. Hardware or driver issue.
BAD_POOL_HEADER — Kernel memory pool corrupted. Often caused by faulty drivers or failing storage.

Step 1: Read the BSOD and Collect the Minidump

The first step is to capture the exact stop code and the associated .sys file (if listed). Modern Windows 10/11 BSODs show a QR code and a stop code on the blue screen.

If the system reboots too fast:

Go to Settings > System > About > Advanced System Settings.
Under Startup and Recovery, click Settings.
Uncheck Automatically restart under System failure.
Set Write debugging information to Small memory dump (256 KB).

Analyze minidumps with WinDbg: Install WinDbg from the Microsoft Store. Open a .dmp file from C:\Windows\Minidump\ and run:

!analyze -v

This outputs the exact faulting driver, memory address, and stack trace.

Alternatively, use WhoCrashed (free tool) which parses minidumps and gives plain-English explanations.

Step 2: Boot into Safe Mode

If the BSOD occurs on startup, you must boot into Safe Mode to perform repairs:

Power on the Lenovo laptop and immediately press F8 (older systems) or hold Shift and click Restart from the login screen.
Navigate to Troubleshoot > Advanced Options > Startup Settings > Restart.
Press 4 for Safe Mode or 5 for Safe Mode with Networking.

In Safe Mode, only essential drivers load, which often prevents the BSOD from occurring and lets you make repairs.

Step 3: Update or Roll Back Drivers

GPU Drivers (Most Common Fix for Legion BSODs):

For NVIDIA GPU crashes (nvlddmkm.sys):

Download Display Driver Uninstaller (DDU) from Wagnardsoft.
Boot into Safe Mode.
Run DDU and select "Clean and restart" for NVIDIA.
After reboot, download the latest driver directly from nvidia.com — do NOT use GeForce Experience auto-install initially.
Install using Custom Install > Clean Installation.

For AMD GPU crashes (atikmpag.sys or amdkmdag.sys):

Use DDU in Safe Mode to remove AMD drivers.
Download the latest Adrenalin driver from amd.com.
Install with factory reset option checked.

Chipset and System Drivers:

Open Lenovo Vantage or Lenovo System Update and run all recommended updates.
Visit support.lenovo.com, enter your model number, and manually download chipset, BIOS, and firmware updates.
In Device Manager, right-click any devices with yellow exclamation marks and update drivers.

To roll back a driver that caused a BSOD after an update:

Open Device Manager (devmgmt.msc).
Right-click the device > Properties > Driver tab > Roll Back Driver.

Step 4: Run System File Checker and DISM

Corrupted Windows system files are a frequent BSOD trigger. Run these commands in an elevated (Administrator) Command Prompt:

sfc /scannow
DISM /Online /Cleanup-Image /CheckHealth
DISM /Online /Cleanup-Image /ScanHealth
DISM /Online /Cleanup-Image /RestoreHealth

After DISM completes, run sfc /scannow again and then reboot.

Step 5: Test RAM

For MEMORY_MANAGEMENT or PAGE_FAULT_IN_NONPAGED_AREA BSODs:

Built-in Windows Memory Diagnostic:

Press Win + R, type mdsched.exe, press Enter.
Select Restart now and check for problems.
Let it complete two passes. Check Event Viewer afterward: Windows Logs > System, filter for source "MemoryDiagnostics-Results".

MemTest86 (More thorough):

Download from memtest86.com and create a bootable USB.
Boot from USB and run at least 2 full passes (8+ passes recommended).
Any errors indicate faulty RAM that must be replaced or reseated.

For Lenovo Legion models with two RAM slots, try running with one stick at a time to isolate a faulty module.

Step 6: Check Storage Health

For BAD_POOL_HEADER, CRITICAL_PROCESS_DIED, or BSODs that occur during file operations:

chkdsk C: /f /r /x

This requires a reboot to run. Also check SSD health with CrystalDiskInfo (free). A "Caution" or "Bad" status means the drive is failing and needs immediate replacement.

For NVMe SSDs on Legion laptops:

wmic diskdrive get status

Step 7: Update BIOS/UEFI Firmware

For persistent BSODs that survive all software fixes, a BIOS update may resolve hardware compatibility or power management bugs:

Check your current BIOS version: Press Win + R, type msinfo32, look for BIOS Version/Date.
Go to support.lenovo.com, enter your model (e.g., Legion 5 Pro, ThinkPad X1), and download the latest BIOS update.
Run the BIOS updater from within Windows (most Lenovo BIOS updates support this) or boot from USB.
Never interrupt a BIOS update — keep the laptop plugged in.

Step 8: Thermal and Power Management Checks

Lenovo Legion laptops generate significant heat. Thermal throttling or sudden shutdowns due to overheating can mimic or trigger BSOD events.

Use HWiNFO64 or MSI Afterburner to monitor CPU/GPU temperatures under load.
CPU temps above 95°C or GPU above 90°C indicate a cooling problem.
Repaste the CPU/GPU thermal compound if the laptop is 2+ years old.
Ensure the laptop vents are clean — use compressed air.
In Lenovo Vantage, set the Thermal Mode to Balanced or Performance (avoid overriding with aggressive overclocks if BSODs are occurring).

Step 9: Check for Conflicting Software

Third-party applications that interact with hardware at a low level can cause BSODs:

Antivirus software — Some AV drivers are buggy. Try disabling or uninstalling (especially older versions of Avast, McAfee).
Overclocking utilities — Uninstall MSI Afterburner, XTU, or ThrottleStop temporarily.
VPN drivers — Some VPN kernel drivers (e.g., older Cisco AnyConnect) cause IRQL errors.
Lenovo Vantage — Rarely, a corrupt Vantage installation itself can cause issues. Uninstall and reinstall from the Microsoft Store.

Use Autoruns (Sysinternals) to identify and disable third-party drivers starting with Windows.

Step 10: Windows Reset as Last Resort

If all steps above fail:

Go to Settings > System > Recovery > Reset this PC.
Choose Keep my files for a less destructive reset, or Remove everything for a full clean install.
A clean Windows install will rule out any software-level cause and confirm if the issue is hardware.

Frequently Asked Questions

powershell

# ============================================================
# Lenovo BSOD Diagnostic & Fix Script
# Run as Administrator in PowerShell
# ============================================================

# --- 1. Display last 10 BSOD events from Event Viewer ---
Write-Host "=== Recent Critical System Errors ==="
Get-WinEvent -LogName System -MaxEvents 100 | Where-Object { $_.LevelDisplayName -eq 'Critical' } | Select-Object TimeCreated, Id, Message | Format-Table -Wrap | Select-Object -First 10

# --- 2. List minidump files ---
Write-Host "`n=== Minidump Files (most recent first) ==="
Get-ChildItem -Path "C:\Windows\Minidump" -Filter "*.dmp" -ErrorAction SilentlyContinue | Sort-Object LastWriteTime -Descending | Select-Object Name, LastWriteTime, Length

# --- 3. Run System File Checker ---
Write-Host "`n=== Running SFC (System File Checker) ==="
sfc /scannow

# --- 4. Run DISM to repair Windows image ---
Write-Host "`n=== Running DISM RestoreHealth ==="
DISM /Online /Cleanup-Image /RestoreHealth

# --- 5. Schedule CHKDSK on next reboot ---
Write-Host "`n=== Scheduling CHKDSK for next reboot ==="
cmd /c "echo Y | chkdsk C: /f /r /x"

# --- 6. Check disk SMART status via WMIC ---
Write-Host "`n=== Disk Drive Status ==="
Get-WmiObject -Class Win32_DiskDrive | Select-Object Model, Status, MediaType

# --- 7. List recently installed drivers (last 30 days) ---
Write-Host "`n=== Drivers installed in last 30 days ==="
$cutoff = (Get-Date).AddDays(-30)
Get-WinEvent -LogName System -MaxEvents 5000 | Where-Object { $_.Id -eq 7045 -and $_.TimeCreated -gt $cutoff } | Select-Object TimeCreated, Message | Format-Table -Wrap

# --- 8. Check Windows Memory Diagnostic results ---
Write-Host "`n=== Memory Diagnostic Results ==="
Get-WinEvent -LogName System -MaxEvents 500 | Where-Object { $_.ProviderName -eq 'Microsoft-Windows-MemoryDiagnostics-Results' } | Select-Object TimeCreated, Message

# --- 9. Export System Info for Lenovo support ---
Write-Host "`n=== Exporting System Info to Desktop ==="
msinfo32 /report "$env:USERPROFILE\Desktop\LenovoSystemInfo.txt"
Write-Host "System info saved to Desktop as LenovoSystemInfo.txt"

# --- 10. GPU Driver Info ---
Write-Host "`n=== GPU Driver Information ==="
Get-WmiObject Win32_VideoController | Select-Object Name, DriverVersion, DriverDate, Status | Format-List

# --- 11. Thermal / Temperature Check (requires HWiNFO or WMI sensor) ---
Write-Host "`n=== CPU Info ==="
Get-WmiObject -Class Win32_Processor | Select-Object Name, CurrentClockSpeed, MaxClockSpeed, NumberOfCores

Write-Host "`n=== BSOD Diagnostic Complete. Review output above and check Desktop for SystemInfo report. ==="

# --- Optional: Open WhoCrashed download page ---
# Start-Process "https://www.resplendence.com/whocrashed"

# --- Optional: Open Lenovo Driver Downloads page ---
# Start-Process "https://support.lenovo.com/solutions/ht003029"

Error Medic Editorial

The Error Medic Editorial team is composed of senior DevOps engineers, SREs, and Windows system administrators with 10+ years of experience diagnosing hardware failures, driver conflicts, and OS-level crashes across enterprise and consumer environments. We specialize in turning cryptic stop codes and kernel panics into actionable, step-by-step fixes backed by real diagnostic data and official documentation.

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