HomeWindowsHow To Fix IRQL NOT LESS OR EQUAL Error In Windows 11

How To Fix IRQL NOT LESS OR EQUAL Error In Windows 11

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Key Takeaways
  • IRQL_NOT_LESS_OR_EQUAL error may occur in Windows 11, often due to corrupted system files, incompatible device drivers, or faulty hardware.
  • To fix the error, you can boot into safe mode, check memory and hardware, run an SFC scan, check your disk for errors, scan for viruses, perform a system restore, or reset your PC.
  • Following these steps can help resolve the IRQL_NOT_LESS_OR_EQUAL error in Windows 11, ensuring smooth operation of your system.

BSOD errors are common in Windows, and you may encounter them on Windows 11 as well. BSOD errors may have different error codes, which may indicate what the issue is related to. IRQL_NOT_LESS_OR_EQUAL is one such error code that you may encounter. Like other BSOD error codes, this is also a common error code that Windows users may encounter. If you face the IRQL_NOT_LESS_OR_EQUAL error in Windows 11, then you need not worry about that.

Fix IRQL NOT LESS OR EQUAL Error Windows 11

In this article, we will be discussing how you can fix IRQL_NOT_LESS_OR_EQUAL in Windows 11.ย 

How To Fix IRQL_NOT_LESS_OR_EQUAL Error In Windows 11

What May Cause The IRQL_NOT_LESS_OR_EQUAL?

You may encounter IRQL_NOT_LESS_OR_EQUAL error in Windows 11 due to the following reasons-

  • You may encounter this error due to corrupted system files. If there are any corrupted system files on your PC, you are most likely to encounter this error.
  • Incompatible device drivers are another reason for you to encounter this error. If the device drivers on your PC are incompatible with your system, you may get this error.
  • Faulty or incompatible hardware is another reason for you to encounter this error. If you are trying to run faulty or incompatible hardware with your PC, you can encounter this error.
  • Incomplete software installation is another reason why you may face the issue.

Fixing IRQL_NOT_LESS_OR_EQUAL In Windows 11

Given below are fixes IRQL_NOT_LESS_OR_EQUAL in Windows 11:

Boot Your PC In Safe Mode

If you cannot boot into your PC normally, you will have to boot your PC into safe mode. To boot your PC in safe mode, follow the steps given below-

  • Turn off your PC, and wait for it to shut down completely.
  • Once your PC has been shut down, press the power button to turn it on.
  • As soon as your PC begins to boot up, turn it off again by pressing and holding the power button. Do this a few times.
  • This interrupts the normal boot process, and you will enterย automatic startup repair.ย On the next screen that appears, selectย troubleshoot.ย 
  • Next, selectย advanced options,ย and then selectย startup settings. Now click on theย restartย to restart your PC.
  • Next, you will see the key to access safe mode on your screen. Press the associated key, and you will be able to boot into safe mode.

However, if you can boot normally into your PC, then booting into safe mode is optional.

Check Memory And Hardware Issues

You may try running Windows Memory diagnostics to scan your PC for any problem related to memory and hardware.

  • In theย start menu,ย search forย Memory Diagnosticsย and open it.

How To Fix IRQL_NOT_LESS_OR_EQUAL Error In Windows 11?

  • In theย Windows Memory Diagnostics, you will get two options-
    • Restart now and check for problems
    • Check for problems the next time I start my computer
  • Select any of the above options, and you will get to know what the problem is.

If you are encountering this error due to memory issues, this tool will return the error you are facing, and you may fix it.

Run SFC Scan

If you encounter this IRQL_NOT_LESS_OR_EQUAL error in Windows 11 due to corrupted system files, then you should run an SFC scan on your PC. SFC (System File Checker) will scan your PC for any corrupted files causing the issue and fix them. To run the SFC scan, follow the steps given below-

  • In theย start menu,ย search forย CMD.ย Right-click onย the command promptย and then click on theย run as administrator.ย 

System File Checker

  • Now in the command prompt, type the commandย SFC /scannowย and hitย Enterย to execute it.
  • This will start scanning your PC for any corrupted files. Donโ€™t close the command prompt, and wait for the process to complete.

Once the process is completed, you may now not face the error that you were facing. However, if you still encounter the error, then you may move ahead to the next troubleshooting step-

Check Your Disk For Error

You may try checking your disk for any errors. You may face the IRQL_NOT_LESS_OR_EQUAL error in Windows 11 due to disk errors. To check for any disk errors, follow the steps given below-

  • Firstly run theย Command Promptย as an administrator. Open theย start menu,ย ย search forย CMD.ย Right-click on theย command prompt,ย and then click on theย run as administrator.ย 

How To Fix IRQL_NOT_LESS_OR_EQUAL Error In Windows 11?

  • In the command prompt, typeย chkdsk C: /fย and hitย Enter. This will scan drive C on your PC. To check all the other drive partitions, replace the drive letter with theย C.

Scan Your PC With Antivirus

If you still face the issue on your PC, you may prefer scanning your PC with antivirus software. Many times this issue may be caused due to the virus on your PC. Therefore, you must prefer scanning your PC with an antivirus program.

If you are using third-party antivirus software on your PC, then you may try scanning your PC with it. If you do not use any third-party software, you may prefer using Windows Defender to scan your PC for any virus and malware.

Perform A System Restore

If you still encounter this error, then you may prefer performing a system restore. However, note that this method will only work if you have created a system restore point earlier. To perform a system restore, follow the steps given below-

  • In theย start menu,ย search for theย create a restore pointย and open it. This will open theย System Protectionย tab inย System Properties.ย 
  • Here click on theย system restoreย option.

How To Fix IRQL_NOT_LESS_OR_EQUAL Error In Windows 11?

  • Now on the next window, click onย choose the preferred restore point.
  • Next, select the restore point, and click onย next.ย Now follow the on-screen instructions to revert your system.

Resetting Your PC

If any of the above solutions donโ€™t solve the issue for you, you may prefer resetting your PC. To reset your PC, follow the steps given below-

  • Open theย start menuย and search for theย reset this PCย option. Select the first option that appears.
  • Now on the next window that opens up, click onย reset PC.ย 

How To Fix IRQL_NOT_LESS_OR_EQUAL Error In Windows 11?

  • Now you will be given two options-ย keep my filesย andย remove everything. Choose any of the given options as per your preference.
  • Follow the on-screen instructions, and you will be able to reset your PC.

Resetting the PC should fix the error for you. However, if it doesnโ€™t fix the issue for you, you should prefer installing Windows again.

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Final Words

Thatโ€™s how you can fix the IRQL_NOT_LESS_OR_EQUAL error in Windows 11. This error is easy to fix, and you need not worry about it if you encounter this error. Following the methods mentioned in this article, you will be able to fix the IRQL_NOT_LESS_OR_EQUAL error in Windows 11.ย 

Anurag Jain
Anurag Jainhttps://itechhacks.com
Anurag is a Senior content analyst with 4 years of experience in the industry. Based in India, He is extremely skilled at Windows related to How to Troubleshooting matters. His favorite topics are Windows 11, Android, and How To's.

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