How To

Fix The Dreaded Ntoskrnl.Exe BSOD Blue Screen Error

A Brief Intro about the Blue Screen

The dreaded blue screen means seeing a full blue image on your screen and nothing else. You can’t get access to your windows or control any of the functions. The only choice that remains is shutting down the PC or restart it.

It happens due to malfunctioning of the operating system. This blue screen depends on the version of the windows like Windows 95/98, XP, Vista, 7, 8, and 10. The error can occur anytime while accessing the windows. And there’s nothing can be done except switching the device off and then start it again.


So What Is The Reason Behind This Blue Screen?

There can be many reasons for the dreaded error such as running of some outdated drivers, any low-level software, Faulty memory, etc. All these reasons you will find here with the solutions so just go along with the article and get your blue screen error solved.

How to Fix the Dreaded Ntoskrnl.Exe BSOD Blue Screen Error Effectively?

Today, I’m going to describe some steps that you can use if you want to know how to fix blue screen error in Windows 7, 8, 10 or any version. This blue screen seems like the death screen where no functionalities are usable.

#1 Reset Overclocking

It is the first method that everyone should try before going any further. Many times the little step can save you from hours of uncertainty and anxiety due to that blue screen.

It may happen due to overclocking that means the clock rate is faster than it is designed to run. So here are the steps to reset the clock speed:

  • Turn on your windows and press and hold the power button for a few seconds until the device gets shut off.
  • Now turn it on, and now a screen will appear, so you have to wait for that.
  • As the logo screen appears, so you need to press a combination of keys at that time. These combinations can be CTRL + ALT + DEL or CTRL + ALT + ESC whichever works for you.
  • You can also try pressing F1, F2, F10, ESC or Del key too if any of them do not work.
  • This way you will get the BIOS screen, and then you see ‘Load Setup Defaults.’. You just need to click this option and press enter key or OK.
  • When prompted then press Yes, all the changes will be saved and the clock speed will set to its default stage as it was designed.

Load Setup Defaults

Now, you need to restart the device and check if the blue screen appears. You can also try other methods if this is not your charm and fix the dreaded ntoskrnl.exe BSOD blue screen error.

#2 Checks for Outdated Drivers

Another common issue is the outdated drivers that cause the blue screen to appear. You are supposed to replace them with the latest drivers updates and the issuer will no longer exist.

Always take care of any update about the drivers that Windows shows you or in case you don’t remember to update them, then no problem as there is still time.

Checking the drivers one by one takes up so much time and efforts. So you can always install free software that performs the check at once and inform you about the updating required.

If you are unable to find relevant software then here are the steps to check them manually.

Step 1: You can find all the info about the drivers you are using by pressing win + R. It opens a Run dialogue box and there you need to type cmd and press OK.

It will open up the command prompt that is a black box where you need to type ‘driverquery’ and hit enter. It will show you every driver with pretty enough details. So you can check for the outdated drivers here without using any software.


Step 2: Another method is to check via Device Manager.

— Find the My computer icon and right click on it.
— There you find an option Manage and hit enter. It opens up a dialogue box where you need to select Device Manager in the left sidebar.
— Now you can see all the details about the adapters, processors, drivers, networks, and more.
— Just expand the drivers’ section and see which one is outdated. Always check the malfunctioning drivers by finding a yellow exclamation mark at the beginning of any of these.
— You will also find an option saying update drivers after right-clicking any driver, just click on it, and Windows will automatically update it for you.

#3 Perform a Memory Test

It’s the third one method that is very effective to fix the dreaded ntoskrnl.exe BSOD blue screen error. If you have already tried those two methods mentioned above and nothing got fixed then try this one and see the progress.

There are chances that the memory has malfunctioned and performed a memory check can fix the bugs. Stop all running processes if any like resetting overclocking or driver updating and concentrate on this one. It is advised that you save any unsaved data and close all the programs.

  • Turn on the windows and go to the search bar.
  • Next, type this text or paste it into the space provided- “windows memory diagnostic” and just hit Enter.
  • Now the screen brings you several options. You should see anything like this ‘restart now and check for problems.’
  • You need to click this action and let it perform the memory check.
  • A Windows Memory Diagnostic Tool will be shown on your screen as you press the option.

windows memory diagnostic

Now, wait for your device to restart and then the results will be on the screen and there you can check for the memory improvement.

If nothing display to you after restarting the PC then do it manually by pressing Win and R and let the dialogue box appear and type ‘eventvwr.msc’ and hit enter, it will display a screen where you can check results.

#4 Find Out Ntoskrnl.Exe File If Missing or Corrupted

In many cases, there are chances that your system has a corrupted file of Ntoskrnl.exe or it is missing. This error often happens when there is a problem with Ntoskrnl.exe file.

  • First, you need to have the Microsoft Bootable Windows OS DVD ROM, insert it and restart your PC.
  • Press F2 or just any key that makes your BIOS appear.
  • Look for the option –  First Boot Device to your DVD ROM, Second – Boot Device to your Hard Disk and check both of these. Save the changes and restart the device.
  • Now the process goes further, and when it prompts you then press R. It will recover the functionality and go for your OS such as Windows 7, XP or any that you are using right now.
  • A command prompt will appear, and you need to paste ‘Expand x: i386 ntoskrnl.ex_ c: windows system32.’
  • Here ‘x’ is the drive name of your CD ROM, so you need to replace x with the particular drive name. For example, your CD ROM drive can be ‘J’ ‘Y’ or any other letter.
  • Now you need to hit enter and when prompted again then press Y for Yes.
  • Save the setup and restart the device again.

#5 Find Bad Sectors and Replace Them

The chances are that your device has a corrupted hard disk and it results to create bad sectors. But you can always fix the dreaded ntoskrnl.exe BSOD blue screen error to get rid of the problem that caused by the bad sectors. You need to run a check to find these bad sectors so just go along with the steps:

  • Go to my computer and right click any drive like C or D.
  • Now select Properties that takes you to a new dialogue box.
  • Here you click on Tools and then go to Check.
  • It will start checking any bad sectors on your hard drive so you just go with the instructions and it will recover the issue.
  • You need to do it for every hard drive you have on My computer and then restart the system.

#6 Restore Your PC

Again an effective solution that you can do is restoring your computer. If you think that you are facing the Ntoskrnl.Exe BSOD Error after making some changes to your PC then restoring can clear the issue. It’s very simple to restore your PC to a prior date when everything was working fine.

  • Go to start button and then click on All Programs.
  • Then go to Accessories, then System Tools and there you find System Restore.
  • Now choose the option of restoring the PC and an earlier date.
  • Just follow the instructions appear on the screen and let your device perform the restoration and check the error after the restore process.


These are all the steps that I think you can perform to fix the dreaded ntoskrnl.exe BSOD blue screen error. It is going to take some time, but these methods are totally worth your time. You can try any of them or choose one by one and let me know how did you get rid of the blue screen and which error was the most effective.

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