Blue Tint Monitor & Blue Screen of Death (BSOD): Complete Troubleshooting Guide for Windows

Understanding Blue Tint Monitor vs. Blue Screen of Death

These two issues are frequently searched together but have different causes. A blue tint on your monitor is a display calibration or hardware problem — your screen looks washed in blue but Windows still runs. A Blue Screen of Death (BSOD) is a critical Windows kernel crash that halts the OS entirely, showing a stop code like MEMORY_MANAGEMENT, KERNEL_SECURITY_CHECK_FAILURE, CRITICAL_PROCESS_DIED, or SYSTEM_SERVICE_EXCEPTION.

Both can stem from GPU driver problems, which is why they're often diagnosed together.

Part 1: Fixing a Blue Tint on Your Monitor

Step 1: Check Windows Color & Display Settings

1. Right-click the desktop → Display settings → Advanced display settings.
2. Click Display adapter properties → Color Management tab → Color Management... → ensure no incorrect ICC profile is applied.
3. Open Night Light settings: Settings > System > Display > Night light. Turn it off — a misconfigured night light set to a cold hue can cause a blue cast.
4. In the Intel Graphics Command Center, AMD Radeon Software, or NVIDIA Control Panel, reset Color Temperature to 6500K (neutral/standard).

Step 2: Check Monitor OSD (On-Screen Display) Settings

Press your monitor's physical menu button and navigate to Color Temperature or Picture Mode. Reset to Standard or sRGB. Many monitors ship with Cool mode enabled, which drastically increases the blue channel.

Step 3: Check the Display Cable

A damaged or poorly seated HDMI, DisplayPort, DVI, or VGA cable can cause color channel bleed, producing a blue tint. Try:

• Reseating both ends of the cable.
• Swapping to a different cable or port.
• Testing the monitor on a different PC to isolate the issue.

Step 4: Update GPU Drivers

Outdated or corrupted display drivers cause both blue tinting and BSODs.

• NVIDIA: Download from nvidia.com/drivers. Perform a Clean Install.
• AMD: Download from amd.com/support. Use DDU (Display Driver Uninstaller) in Safe Mode before reinstalling.
• Intel: Use Intel Driver & Support Assistant at intel.com/DSA.

Part 2: Diagnosing Blue Screen of Death (BSOD) Errors

Step 1: Read the Stop Code

When Windows crashes, it displays a stop code on the blue screen. Note it exactly. Common stop codes include:

The stop code is your primary clue. Windows also shows a QR code linking to https://www.windows.com/stopcode for online help.

Step 2: Analyze Minidump Files with BlueScreenView

Windows saves crash data to C:\Windows\Minidump\. Use NirSoft BlueScreenView (free, portable) to read these:

1. Download BlueScreenView from nirsoft.net.
2. Open it — it auto-loads all minidumps.
3. Look at the Caused By Driver column. This is the specific .sys or .exe file responsible.
4. Common offenders: ntoskrnl.exe, nvlddmkm.sys, amdkmdag.sys, atikmpag.sys, netio.sys, dxgkrnl.sys, dxgmms2.sys, win32kfull.sys, fltmgr.sys.

Step 3: Check Event Viewer

1. Press Win + R, type eventvwr.msc, press Enter.
2. Navigate to Windows Logs → System.
3. Filter by Critical and Error events around the crash time.
4. Look for Event ID 41 (unexpected shutdown) and Event ID 1001 (BugCheck) — these contain the exact bugcheck code and crash parameters.

Step 4: Run SFC and DISM

Corrupted system files are a leading cause of stop codes like CRITICAL_PROCESS_DIED, SYSTEM_SERVICE_EXCEPTION, and 0xC000021A.

Open Command Prompt as Administrator and run:

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

Reboot after each scan completes.

Step 5: Check RAM

Memory errors cause MEMORY_MANAGEMENT, BAD_POOL_CALLER, PFN_LIST_CORRUPT, and PAGE_FAULT_IN_NONPAGED_AREA.

1. Press Win + R, type mdsched.exe → Restart now and check for problems.
2. For deeper testing, boot from a MemTest86 USB (pass at least 2 full cycles).
3. If you have multiple RAM sticks, test them one at a time to identify a bad module.

Step 6: Update or Roll Back Drivers

If BlueScreenView identifies a specific .sys file, act on it:

• GPU drivers (nvlddmkm.sys, amdkmdag.sys, atikmpag.sys, dxgkrnl.sys): Uninstall via DDU in Safe Mode, then install the latest stable version.
• Network drivers (netio.sys, ndis.sys, netwtw10.sys): Update via Device Manager → Network Adapters.
• Audio drivers (portcls.sys, hdaudbus.sys): Update via Device Manager → Sound controllers.
• McAfee/Kaspersky/Bitdefender (mfehidk.sys, klflt.sys): Temporarily uninstall security software to test if it's causing the crash.

Step 7: Fix 0xC000021A (Winlogon Failure)

This stop code means a critical user-mode subsystem (winlogon.exe or csrss.exe) terminated unexpectedly. It's common after Windows updates.

1. Boot from Windows installation media.
2. Choose Repair your computer → Troubleshoot → Advanced options → Startup Repair.
3. If that fails, use Command Prompt from recovery and run:
   • sfc /scannow /offbootdir=C:\ /offwindir=C:\Windows
   • bcdedit /set {default} safeboot minimal (to force Safe Mode boot)
4. Uninstall the problematic update: Settings → Update & Security → View Update History → Uninstall Updates.

Step 8: Fix INACCESSIBLE_BOOT_DEVICE (0x0000007B)

1. Boot from Windows installation media → Command Prompt.
2. Run bootrec /fixmbr and bootrec /fixboot and bootrec /rebuildbcd.
3. Check that SATA controller mode (AHCI vs. IDE) in BIOS matches the Windows driver installed.
4. If after a Windows update, boot into recovery and roll back the update.

Step 9: Check for Overheating

Thermal throttling and overheating cause random BSODs, especially during gaming or heavy loads.

• Use HWiNFO64 or Core Temp to monitor CPU/GPU temperatures.
• CPU should stay below 90°C under load; GPU below 85°C.
• Clean dust from heatsinks and fans. Reapply thermal paste on CPUs older than 3–4 years.
• Check for machine_check_exception (0x00000124) — this is almost always hardware-level thermal or voltage failure.

Step 10: Last Resort — System Restore or Reset

If all else fails:

1. System Restore: Control Panel → Recovery → Open System Restore → choose a restore point before BSODs started.
2. Reset This PC: Settings → Update & Security → Recovery → Reset this PC → Keep my files (or Remove everything for a clean slate).
3. Clean Windows Install: Download Windows 10/11 ISO from Microsoft, create a bootable USB with the Media Creation Tool, and perform a fresh installation.