The IRQL NOT LESS OR EQUAL (ntoskrnl.exe) BSOD, also known as the Blue Screen of Death, is a common and frustrating issue faced by many Windows users. This error is caused by an interrupt request level (IRQL) that is either too high or too low, which can lead to system crashes and data loss. In this article, we will delve into the various aspects of this issue, including its causes, potential solutions, and prevention methods. By understanding the IRQL NOT LESS OR EQUAL (ntoskrnl.exe) BSOD, users can effectively troubleshoot and avoid this disruptive problem.
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Fix: IRQL NOT LESS OR EQUAL (ntoskrnl.exe) BSOD
If you’ve encountered the infamous “IRQL NOT LESS OR EQUAL” blue screen of death (BSOD) error on your Windows computer, don’t panic. This error is relatively common and can be fixed with a few troubleshooting steps.
What is IRQL NOT LESS OR EQUAL?
IRQL NOT LESS OR EQUAL is a blue screen of death (BSOD) error that is caused by a mismatched or outdated driver, faulty hardware, or corrupted Windows system files. The error message itself refers to an interruption in the interrupt request level (IRQL) that tells the computer which device is requesting for service. When this level is not equal, it can lead to system crashes and blue screen errors.
How to fix IRQL NOT LESS OR EQUAL
Before you start troubleshooting, it’s important to create a system restore point and back up your important files. This ensures that you can revert any changes made during the troubleshooting process and avoid data loss.
Here are the steps to fix IRQL NOT LESS OR EQUAL:
Step 1: Update your drivers
Outdated or incompatible drivers are one of the most common causes of the IRQL NOT LESS OR EQUAL error. To update your drivers, follow these steps:
1. Press Windows + X, then select Device Manager from the list.
2. In the Device Manager, expand the list of devices and look for any devices with a yellow exclamation mark.
3. Right-click on the device and select “Update driver.”
4. Choose to automatically search for updated driver software.
5. If a driver update is found, follow the on-screen instructions to complete the installation.
6. Repeat this process for all devices with a yellow exclamation mark.
Step 2: Run a memory check
The IRQL NOT LESS OR EQUAL error can also occur due to faulty or corrupted RAM. Running a memory check can help you identify and fix any issues. Here’s how:
1. Type “Windows Memory Diagnostic” in the search bar and open the app.
2. Select “Restart now and check for problems.”
3. The computer will reboot and run a memory diagnostic test.
Step 3: Check for corrupted system files
Corrupted Windows system files can also cause the IRQL NOT LESS OR EQUAL error. To check for corrupted system files and repair them, follow these steps:
1. Type “cmd” in the search bar and open Command Prompt as an administrator.
2. Type “sfc /scannow” and press Enter.
3. Wait for the system file check to complete.
4. If any corrupted files are found, they will be automatically repaired.
Step 4: Perform a clean boot
A third-party application or service can also trigger the IRQL NOT LESS OR EQUAL error. To identify which app or service is causing the issue, you can perform a clean boot. Here’s how:
1. Press Windows + R, then type “msconfig” and hit Enter.
2. In the System Configuration window, go to the Services tab and check the “Hide all Microsoft services” box.
3. Click on “Disable all” to disable all third-party services.
4. Next, go to the Startup tab and click on “Open Task Manager.”
5. In the Task Manager, disable all startup items and close the window.
6. Go back to the System Configuration window and click on “Apply” and then “OK.”
7. Restart your computer and see if the error persists.
If the error does not occur after
In conclusion, the IRQL NOT LESS OR EQUAL (ntoskrnl.exe) BSOD is a common and frustrating issue for many Windows users. It is caused by a variety of factors, including outdated drivers, faulty hardware, and corrupt system files. By following the steps and solutions outlined in this article, you can effectively troubleshoot and resolve this issue. However, if the problem persists, it is always recommended to seek professional help from a computer technician. With proper understanding and response, you can successfully overcome the IRQL NOT LESS OR EQUAL BSOD and prevent it from occurring in the future. Remember to regularly update your drivers and keep your system clean to prevent any potential BSOD errors.