IRQL_NOT_LESS_OR_EQUAL Error means that something may be wrong with a device driver, your PC’s memory, or antivirus software on your PC. If you are facing the IRQL error code with bug check has a value of Stop: 0x0000000AStop 0A0x0000000A or D1 0x000000D1. they are same and it’s a Blue Screen Of Death (BSOD) problem of your Windows PC. This indicates that a kernel-mode driver accessed paged memory at an invalid address while at a raised interrupt request level (IRQL).

IRQL_NOT_LESS_OR_EQUAL can occurs in any versions of your windows whatever you’re using Windows 7 or maybe Windows 10 in your Personal Computer.

The error reads:

Your PC ran into a problem that it couldn´t handle, and now it needs to restart.



Fix Error Solution #1: Official solution for Microsoft

  • Make sure that your drivers are current. Select the Start  button, then in the search box next to Start, type drivers. Choose Update device drivers from the results and select the device that’s giving you trouble. Press and hold (or right-click) the name of the device and select Scan for hardware changes. Next, select Start  > Power  >Restart.

  • Verify that your PC has the latest updates. Select the Start  button and then in the search box next to Start, type Windows update. In the list of results, choose Check for updates. In the Settings menu, select the Check for updates button. When it’s complete, select Start  > Power  > Restart.

Fix Error Solution #2: Update Drivers

The first thing that you should do is to update the drivers especially the Display Drivers. This should be your priority especially if the problem started after a Windows 10 upgrade.

  1. On your keyboard, press the Windows logo key and R at the same time to invoke a Run command.
  2. Type devmgmt.msc in the run box and press Enter to open Device Manager.
  3. Locate and expand Display adapters category in the list, then right-click on your Display Driver controller (for example Intel HD Graphics) and select Update Drivers.
  4. Now select “Search automatically for updated driver software” and let the process finish.
  5. f it finds one, you will be able to update the driver without any problem. If it wasn’t able to update your device, right click on your on your Display Driver controller (for example Intel HD Graphics) and then again select Update Driver Software.
  6. This time select “Browse my computer for driver software“ and Next, select “Let me pick from a list of device drivers on my computer.
  7. Try to update drivers from the listed versions.
  8. Once the update is complete, reset the adapter by disabling it and then enabling it from the Device Manager screen.

Fix Error Solution #3: Run Windows Memory Diagnostic Tool

IRQL_NOT_LESS_OR_EQUAL Error , in some cases it is caused by an issue with your RAM memory (who would’ve thought). If your RAM memory is damaged in any way, the best solution is to replace it with a new one. But first, you should make sure it’s broken. This can be done by running the Windows Memory Diagnostic tool.

  1. On your keyboard, press the Windows logo key and R Key at the same time to invoke a Run command. Type mdsched.exe and press Enter.
  2. You could choose Restart now and check for problems (recommended) to check the status of your memory card right now.
  3. You will be seeing a blue page showing the progress of the check and number of passes it will run on memory.
  4. Once your Windows restarts, it will tell you if there is something wrong with your memory. If there is, you need to replace your bad RAM with a new one.

Fix Error #4: Run Driver Verifier

Use Driver Verifier for troubleshooting and debugging test failures and computer crashes.

  1. Open a Command Prompt window (Run as administrator) and type verifier to open the Driver Verifier Manager or Type or paste ‘verifier’ into the Search Windows box.
  2. Select ‘Create standard settings’ and click Next.
  3. Select ‘Automatically select unsigned drivers’ and click Next.
    Update any or all drivers in the list.
  4. If you have just upgraded to Windows 10, also try ‘Automatically select drivers built for older versions of Windows’ and click Next. Update those too if they don’t overlap with step 4.

Fix Error Solution #5: Disable or Uninstall Antivirus Programs Temporarily

If you are using any 3rd Party Antivirus app then first uninstall it and reboot a computer. In many cases, the Antivirus program can cause the IRQL_NOT_LESS_OR_EQUAL Error in Windows 10 and in order to verify this is not the case here you need to disable your antivirus for a limited time so that you can check if the error still appears when the antivirus is off.

Perform the following steps to uninstall:

  1. Press the “Windows key + X” to pull up the pop-up menu above the start button appear.
  2. Select “Control panel” from the list.
  3. In the control panel, you should be able to see a section that goes by the name “Programs”. Click on it.

Here you will find a list of programs installed on your computer. From the list, go ahead and find your anti-virus software. If you have installed multiple versions of protection software then you should ideally uninstall all of them. To do so, right click on your selection and click on “Uninstall”.

Fix Error Solution #6: System File Checker

  1. Click on Windows button and Search for cmd and you will get Command Prompt as a search result. (Right click on it & select Run as administrator option)
  2. A Command Prompt window will popup. In Command Prompt, enter the following lines command and hit Enter after each one.
     sfc /scannow
     chkdsk /f C:
  3. Let the process complete and make any repairs as necessary. Once the process is finished, exit the cmd.
  4. Now type memory in the Windows search bar and select “Windows Memory Diagnostic.
  5. In the set of options displayed select “Restart now and check for problems.”
  6. After which Windows will restart to check for possible RAM errors and will hopefully display the possible reasons as for why you get the Blue Screen of Death (BSOD) error message.
  7. Reboot your PC and check if the problem is resolved or not.

Fix Error #7: System Restore

System Restore can be used to restore the previous version of your Windows OS. If you are facing serious issue Driver Power State Failure on Windows 10 then with using System Restore, you can fix many problems. You can roll the system back to a normal state with following steps:

  1. On your keyboard, press the Windows logo key and R at the same time to invoke a Run command.
  2. Type sysdm.cpl in the run box and press Enter.
  3. Select System Protection tab and choose System Restore.
  4. Click Next and choose the desired System Restore point.
  5. Follow on screen instruction to complete system restore.
  6. Reboot your PC.

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