driver_irql_not_less_or_equal
Moderate
Microsoft · Windows
A driver attempted to access an invalid memory address while running at a raised IRQL — similar to IRQL_NOT_LESS_OR_EQUAL but specifically identifies a driver as the culprit
Quick Answer
Error code DRIVER_IRQL_NOT_LESS_OR_EQUAL on your Microsoft Windows means: A driver attempted to access an invalid memory address while running at a raised IRQL — similar to IRQL_NOT_LESS_OR_EQUAL but specifically identifies a driver as the culprit. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Note the driver file name from the BSOD screen (e.g., ndis.sys, tcpip.sys, wfplwfs.sys, etc.)
2
Update your network adapter drivers from the manufacturer's website (Intel, Realtek, Qualcomm, etc.)
3
If you use a VPN with a TAP adapter, update the VPN software or temporarily uninstall it to test
4
Boot into Safe Mode and uninstall the offending driver from Device Manager
5
Check for Windows updates that may include patched versions of the problematic driver
6
If the driver file is from your antivirus, update or replace the antivirus software
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
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