Error 0x000000D1

How to Fix DRIVER_IRQL_NOT_LESS_OR_EQUAL BSOD (0x000000D1)

Fix time: 20 mins Difficulty: Medium 0 views Updated: July 2026

Resolve network, graphics, or system driver BSOD crashes with error 0x000000D1.

Symptoms

System crashes with Blue Screen indicating DRIVER_IRQL_NOT_LESS_OR_EQUAL

Common Causes

Faulty driver requesting access to invalid system memory address

Step-by-Step Solutions

Method 1: Identify and Reinstall Faulty Driver

Check file name listed on BSOD (e.g. nvlddmkm.sys for Nvidia, rtwlane.sys for Realtek).
Boot into Safe Mode, open Device Manager.
Right-click the associated device and select Uninstall Device.
Install latest driver from official website.