If you call a support person, give them this info:Īnd the following image depicts the IRQL_NOT_LESS_OR_EQUAL blue screen as it appears on Windows 7:Ī problem has been detected and Windows has been shut down to prevent damage We're justĬollecting some error info, and then we'll restart for you.įor more information about this and possible fixes, visit Your PC ran into a problem and needs to restart. Here is an example of “IRQL NOT LESS OR EQUAL” error screen, first on Windows 11 then on Windows 7:
An downgrade to a lower version of Windows, e.g.Faulty or incompatible external PC hardware such as mouse, keyboard, USB speakers, external drive, VGA/HDMI/network dongles, USB adapters, or similar.Faulty or incompatible PC components such as video card, onboard motherboard components, NVMe SSDs, USB controller, network card, and others.The IRQL_NOT_LESS_OR_EQUAL error can be caused by any of the following, among others: You can read more about what an IRQL (Interrupt Request Level) is at Wikipedia.
#Irql not less or equal windows 8.1 drivers#
Because it involves the interaction between devices connected to your PC (internally or externally), your PC’s mainboard/motherboard, the Windows operating system, and the various devices drivers installed, it can be very difficult to track down and fix. The IRQL error is an extremely low-level error caused by a resource conflict between two or more devices connected to your PC. Symptom 1: “IRQL NOT LESS OR EQUAL” blue error screen The error messages, alerts, warnings, and symptoms below are tied to this error.
The following information on this error has been compiled by NeoSmart Technologies, based on the information gathered and reported by our global network of engineers, developers, and technicians or partner organizations. 3.3 Fix #3: Use EasyRE’s automatic repair and system restore options.3 Fixing “IRQL NOT LESS OR EQUAL” on Windows.2.6 Cause 6: A downgraded Windows installation.2.5 Cause 5: Incorrect software installation.2.3 Cause 3: Incompatible device drivers.2.1 Cause 1: Incompatible hardware device configuration.1.2 Symptom 1: “IRQL NOT LESS OR EQUAL” blue error screen.
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