How-to troubleshoot the Stop Message: Stop 0xD1 or DRIVER IRQL NOT LESS OR EQUAL.
This error indicates the system attempted to access pageable memory using a kernel process IRQL that was too high. Drivers that have used improper addresses typically cause this error.
Resolving the Problem
Before you can fix this problem you need to figure out what caused it. Did you recently install new software or hardware? This will help out a lot when troubleshooting the problem.
- If you recently installed a new driver, uninstall it. If you recently updated a driver, try rolling it back to a previous working version.
- If you or software you installed recently installed a system service, try disabling or uninstalling the service.
