How to Fix Fltmgr.sys BSOD

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Fltmgr.sys BSOD

What is fltmgr.sys BSOD? It is a serious error, which can lead to irritating issues if it is not solved as soon. Try restarting your computer first as your hard drive might be incorrectly connected to the system when fltmgr.sys BSOD happens. If restarting your PC fails to work, please go on reading.

Recover Data If Restarting PC Is Not Helpful

Fltmgr.sys BSOD indicates that your Windows operating system is unable to read and process the data on the hard drive. Thus, it is highly recommended to recover data from your hard drive immediately after encountering this issue.

To restore the lost data with ease, you can try MiniTool Partition Wizard. The detailed tutorial on retrieving data after running into fltmgr.sys BSOD.

Enter Safe Mode First (If Needed)

After recovering the needed data, you can begin to fix the issue. But note that you should enter Safe Mode if your computer cannot boot normally and then try the following fixes.

How to enter Safe Mode? Follow the tutorial below.

  • Shut down your computer and then turn on it. Repeat that until you see Preparing Automatic Repair on your computer screen.
  • Click Advanced options when Windows finishes diagnosing your computer.
  • Click Troubleshoot > Advanced options > Startup settings > Restart.
  • Hit 5 on your keyboard to enable Safe Mode with Networking.

6 Ways to Fix Fltmgr.sys BSOD

There are six fixes to the blue screen issue, you can try them one by one.

  • Check for updates;
  • Update driver via Device Manager;
  • Run Blue Screen Troubleshooter;
  • Run sfc/scannow via Command Prompt;
  • Check and repair hard drive issues;
  • Check hardware issues.

# 1: Check for Updates

To update your Windows, you just need to go to Settings > Update and security > Windows Update > Check for Updates. If any updates are available, they will be offered to you.

How to Fix Fltmgr.sys BSOD

After updating, see whether the fltmgr.sys BSOD Windows 10 has been solved.

Recommended article: How to Get Check for Updates Back to Windows 10

# 2: Update Driver via Device Manager

Since outdated or a faulty driver can also lead to the blue screen issues, you can try to update drivers via Device Manager.

  • Open Device Manager and then right-click the device and then click Update driver to update it.
  • Select Browse my computer for driver software and navigate to the drive you have downloaded and install it.

How to Fix Fltmgr.sys BSOD

Repeat the above steps until you update all drives on your computer. Restart your computer to check if flymgr.sys BSOD disappears.

# 3: Run Blue Screen Troubleshooter

Then, you can try a Windows built-in tool that is Blue Screen Troubleshooter. It is easy to run this tool and it can fix issues automatically. Refer to the following tutorial to run this tool.

Step 1: Open Settings and then go to Update and security > Troubleshoot.

How to Fix Fltmgr.sys BSOD

When the tool finishes its work, please check fltmgr.sys BSOD has been solved.

#4: Run SFC/scannow via Command Prompt

It is a possibility that there are missing or corrupted system files that can cause the blue screen issue. In this case, you can try to run sfc/scannow to repair the issue.

Step 1: Launch Command Prompt as administrator. Type cmd in the Cortana’s search bar. Right-click the best-matched searching result and select Run as administrator.

Step 2: Type sfc/scannow on the Command Prompt window, and hit the Enter key.

How to Fix Fltmgr.sys BSOD

Step 3: Restart your computer and then check if the issue persists.

# 5: Check Hard Drive Issues

One of the possible reasons for fltmgr.sys BSOD is corrupted file system. To repair the corrupted file system, you can also try MiniTool Partition Wizard.

Step 1: Open MiniTool Partition Wizard, select a partition and then select Check File System.

How to Fix Fltmgr.sys BSOD

Step 2: Select the Check & fix detected errors on the following window and then click the Start button.

How to Fix Fltmgr.sys BSOD

When the process finishes, check whether the BSOD issue has been solved. If not, please try the next fix.

# 6: Check Hardware Issues

When the faulty hardware on your computer does not respond to the way your computer wants them to, fltmgr.sys BSOD will appear. In this situation, please remove it and try replacing it with a different one if you have newly added some new hardware to your computer,

Related article: Look! 5 Solutions to Fix APC_INDEX_MISMATCH


The post comes to en end. Have my mentioned solutions in this post helped you get rid of the fltmgr.sys BSOD?

To avoid data loss caused by some errors (like BSOD), it is also highly recommended that you back up your computer regularly.

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