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1. Bsod irql not less or equal windows 8.1 drivers#
2. Bsod irql not less or equal windows 8.1 update#
3. Bsod irql not less or equal windows 8.1 driver#
4. Bsod irql not less or equal windows 8.1 software#

Cause 6: A downgraded Windows installation

Bsod irql not less or equal windows 8.1 update#

This is typically the case if you run into this after installing a Windows update or after your PC says “applying updates,” or after manually installing an update to a driver. Sometimes, this error may be caused by a misconfigured Windows service or registry error. This error can also be caused by a damaged motherboard, a bad RAM module, or failing internal/external hardware or components. If you can’t boot into Windows or Windows reboots with the blue screen too quickly for you to do this, then you will need to recover using EasyRE.

Bsod irql not less or equal windows 8.1 driver#

In that case, reverting to an old version of a driver would be the best solution. Cause 3: Incompatible device driversĪnother common cause is a newly installed or recently upgraded faulty device driver. This can happen because of virus attacks specially designed to cause IRQL_NOT_LESS_OR_EQUAL errors, power outages, or disk write errors during Windows system or manufacturer driver updates. If this error started “out of the blue” and did not happen after installing, connecting, replacing, or upgrading any PC hardware or components, then the most common cause for this error is a corrupted system file that is required to boot the system. If you encounter this error on a brand new PC, after upgrading any of the hardware components in your computer, or when connecting an external device, this error is caused by a resource conflict between two or more internal or external devices connected to your computer. This error has been known to occur as a result of one of the following causes: Cause 1: Incompatible hardware device configuration Your computer, press F8 to select Advanced Startup Options, and then If you need to use Safe Mode to remove or disable components, restart Disable BIOS memory options such as caching or shadowing. If problems continue, disable or remove any newly installed hardware

Bsod irql not less or equal windows 8.1 software#

If this is a new installation, ask your hardware or software manufacturer If this screen appears again, followĬheck to make sure any new hardware or software is properly installed. If this is the first time you've seen this Stop error screen, 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.

Bsod 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.