What is BSOD-nvlddmkm.sys?
nvlddmkm.sys critical driver error (BSOD) (BSOD-nvlddmkm.sys) is a critical-severity fault affecting the system driver. Windows has terminated due to a fatal error in the nvlddmkm.sys kernel module. This usually traces back to outdated or faulty driver, hardware incompatibility and conflict with antivirus. Use the steps below to track down and fix the cause.
Common Causes
- Outdated or faulty driver
- Hardware incompatibility
- Conflict with antivirus
Step-by-Step Fix Guide
-
1
Update the driver in Safe Mode
Most reports of BSOD-nvlddmkm.sys clear up after Update the driver in Safe Mode, so it's worth trying before anything more involved.
-
2
Return the driver to the previous version (Rollback)
In case symptoms recur, the rest of the sequence deals with the less common side of drivers instability.
-
3
Check the logs in Event Viewer
"Check the logs in Event Viewer" covers a less common but documented cause of BSOD-nvlddmkm.sys.
Commands & Diagnostics
verifier /standard /all
bcdedit /set safeboot minimal
Frequently Asked Questions
In most cases, outdated or faulty driver is behind BSOD-nvlddmkm.sys. Hardware incompatibility and conflict with antivirus can trigger it too.
Most BSOD-nvlddmkm.sys reports resolve after "Update the driver in Safe Mode". The rest of the guide above is there for the cases that don't.
BSOD-nvlddmkm.sys is rated critical severity in our database. It's worth acting on quickly rather than letting it recur.
Usually. BSOD-nvlddmkm.sys is fixable with the steps above; a full Windows reinstall is rarely necessary unless everything else has failed.
Sometimes. Microsoft regularly releases patches that fix known BSOD triggers including BSOD-nvlddmkm.sys. Make sure Windows is fully up to date via Settings → Windows Update before attempting more advanced fixes.
Still Need Help?
Search our full database of 535+ documented PC errors for more solutions and step-by-step repair guides.
Search Error Database