- Download and install the software.
- It will scan your computer for problems.
- The tool will then fix the issues that were found.
The IRQL_NOT_LESS_OR_EQUAL error is a common BSOD error on systems and is more common when Windows users are trying to update their systems to a newer version.
Below are the effective methods to fix this irql_not_less_or_equal error due to system updates or memory failure.
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Reasons for IRQL_NOT_LESS_OR_EQUAL
Knowing the causes of the irql_not_less_or-equal error helps us a lot to prevent and find solutions related to this problem. Here are some of the main causes of this problem:
- Incompatible device drivers
- Incorrect installation of the device driver
- Defective material
- Disk fragmentation
- Registration problems
- Virus and malware attacks
What problems does irql_not_less_or_equal cause on your computer? The most serious problems should be system crash, system crash and even data loss, etc. How to avoid such a problem and find ways to solve it?
Disable memory cache
To disable the cache memory of your Windows system, you need to access your computer’s BIOS / UEFI menu.
For Windows 8 / 8.1 systems, follow these steps to open the UEFI menu:
- Start your Windows
- Press the Windows key and the C key to open the charms bar.
- Click Settings
- Go to Change PC Settings
- Select General
- Click Start Advanced.
- Click Restart Now.
- Go to troubleshooting
- Select additional options
- Click UEFI Firmware Settings.
- Select reboot
After entering the BIOS / UEFI menu of your system, do the following:
- Go to the extended menu. This menu may have a different name depending on your BIOS / UEFI version.
- Find a cache storage option
- Press Enter
- Select Disabled
- Press F10 to save changes and exit.
- Reboot your computer
Disable the Problematic Driver
To track down the driver for the problem, you need to run Driver Verifier, an application included with Windows.
- Click on Start
- Enter validator in the field and press Enter.
- Select “Create defaults”, then click “Next” and select “Automatically select all drivers installed on this computer.”
- Click Next, then click Finish.
- Reboot your computer and you will see a list of drivers that should be checked at startup. If a faulty driver is available, you will receive a BSOD with a corresponding error message.
Then you can identify and remove the specified driver when reconnecting to Windows.
Updated: November 2024
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- Step 1 : Install PC Repair & Optimizer Tool (Windows 11, 10, 8, 7, XP, Vista).
- Step 2 : Click Start Scan to find out what issues are causing PC problems.
- Step 3 : Click on Repair All to correct all issues.
Check your Memory and Hardware
Now you can try to debug your computer at the hardware level.
As mentioned in the beginning, the irql_not_less_or_equal error usually occurs when something tries to access a store for which it is not authorized.
In this case, you must first check the memory of your device. Windows has a utility that can do this for you.
- Open a search term> type “memory diagnostics”> open the Windows Memory Diagnostic Utility.
- In the new window, select one of the two available options. The first one immediately restarts Windows and allows the system to scan memory.
- If it returns an error, you have an answer. Replace your computer’s memory and everything should work fine.
- However, if the scan showed no errors, the problem lies elsewhere.
RECOMMENATION: Click here for help with Windows errors.