How to Fix “Driver_irql_not_less_or_equal (l1c63x64.sys)” Blue screen Error in Windows 10

System errors have been occurring for as long as we can remember. Fixing them is a little tough and they usually take sometime before they finally go away. Driver_irql_not_less_or_equal (l1c63x64.sys) error is yet another member of this creepy error family.

Have you tried several methods for fixing it without any success? Yes? Continue reading and you will discover a few neat tricks on how to fix the Driver_irql_not_less_or_equal (l1c63x64.sys) error in Windows 10.

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What is (l1c63x64.sys) Error and How it Occurs

l1c63x64.sys is a critical system file associated with Windows 10 OS. It basically facilitates interaction between the hardware and either any third-party software programs (Web browsers, Text editors etc) or with the operating system itself. These kinds of files determine the drivers to be loaded on different occasions. If these files experience any trouble, the user’s ability to perform many normal computing tasks such as printing a document will greatly be curtailed.

BSOD-IRQL_NOT_LESS_OR_EQUAL

This error mostly occurs during system startup or program startup. It sometimes also occurs when a program is trying to access specific functions of the OS. Mostly this error occurs after a recent hardware or software change, that causes any conflicts with specific Windows actions.

 

How to Fix Driver_irql_not_less_or_equal (l1c63x64.sys) Error

There are several methods you can try out to fix the l1c63x64.sys error. We listed some of the most effective ones for you. Please make sure you perform any actions exactly as they’ve been stated in this article.

 

Update Device Drivers

Drivers form one of the most integral portions of a computer. They are surely very useful but funny enough, they can often be the root cause of trouble, at times. If any hardware drivers in your PC are either outdated or corrupted, that greatly increases the chances of the error l1c63x64.sys springing up at any moment!

If your computer system was working perfectly fine until recently, but it has started acting up and experiences the BSOD (Blue Screen of Death) error quite frequently without any recent software or hardware change been made, the drivers are to be squarely blamed then.

To fix the problem, update the device drivers to the latest available version. You may opt for a manual download and install if you are confident enough.

 

Perform a Full Malware Scan

Malware can also be blamed for often creating problems in various parts of the computer. The l1c63x64.sys error may be also caused due to malware attacks. So installing a good antivirus program and scanning the entire system periodically may prevent the malware actions and fix the error.

 

Restore Windows to a Previous Working State

If all the above-mentioned methods haven’t brought you any relief with regards to this error, it is high time to go for a System Restore. This process will actually restore Windows to a previous state where everything worked normally. Here is how you do it:

  1. Open the Start menu
  2. In the search box, type Create a Restore Point and press Enter
  3. Click on the Create a Restore Point option from the search results
  4. Click System Restore button, click Next.
  5. Choose a previous working restore point.
  6. Follow the on-screen instructions. Your system will be restarted during the restore process.

 

Check Hardware for Errors

Some hardware problems might still be there and refuse to go away easily. Due to continuous overuse of your system or unexpected shutdowns, some problems might affect the HD. Such issues can also lead to the l1c63x64.sys error. To resolve this issue, there is an inbuilt utility on windows Check Disk (chkdsk), that automatically checks the hard drive and repairs any corruptions. To run the Check Disk

  1. Go to the Start menu
  2. Type Command Prompt in the search box
  3. Press Ctrl+Shift. Now press Enter
  4. It will show you a confirmation window. Click Yes
  5. Now Command Prompt will open up. Type chkdsk /f and then press Enter
  6. Follow the onscreen commands (if any)
  7. Now chkdsk will start analyzing your hard drive and fix problems

We hope these methods will help you fix the l1c63x64.sys error in Windows 10. Do write to us about any comments/ suggestions. We’d love to hear from you.