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FIX: FAT FILE SYSTEM Error ‘fastfat.sys’ Windows 11 2022 Hint

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Fix Check: FAT FILE SYSTEM Error ‘fastfat.sys’ in Windows 11

For Windows users, Blue Screen of Death (BSOD) is a common annoyance. Many Windows users have seen the “FAT FILE SYSTEM (fastfat.sys)” blue screen of death, which can occur several times after the first crash. Outdated drivers, malfunctioning hardware, corrupt drivers, and general system corruption issues are the most common causes of this problem. In this article, we will guide you through step-by-step troubleshooting strategies to solve this problem.

Steps before trying the solutions

Before proceeding with system troubleshooting,

  • Make sure that you have administrator access to the system.
  • If your system is part of a network or domain, the network or domain policies may prevent you from performing various operations on the system, so remove the system from the network or domain and try the solutions and after the problem is resolved, reconnect the computer to the network/domain.
  • Make sure your system is running in safe mode. And if you can’t boot your system into safe mode, use Windows installation media.
  • Don’t forget to “backup” your basic data, as long as you can log into the system.
  • Be sure to take a detailed look at the common BSOD fixes. Remember, you don’t need to try all the solutions out there, you just need to find out the possible reason that caused this error and take action accordingly.

Hardware or software issue

The BSOD is a self-protection feature of the Windows operating system in which the computer suddenly shuts down to protect itself from data loss or corruption. Any blue screen of death error can be caused by a failure of the hardware device, its driver, or related software. Before proceeding with the troubleshooting it is essential to ascertain if the problem is hardware or software related. One of the main causes of this error is file system corruption, bad blocks or bad sectors on the system disk. Another possible cause is non-paged pool memory exhaustion. To rule out, if the error is hardware related, we need to check if the hard drive and memory are working properly. Manufacturers have included memory and hard drive tests in their BIOS or settings. With these tests, we can determine if our problem is software or hardware related. For demonstration purposes, we will be using HP’s boot menu (you must follow your system manufacturer’s instructions).

  • Turn off the system.
  • Then turn on the system and immediately start pressing the Esc button to open the HP Boot Menu
  • When the HP boot menu appears, press F2
  • On the main menu, click Component Tests.
  • Under Component Tests, select Hard Drive to run the Hard Drive Test.
  • After the hard drive test is finished, repeat steps 1 through 4.
  • Now under Component Test, select Memory to run the Memory Test.

If any errors are reported after hard drive and memory tests, then the FAT file system error in Windows 10 is hardware related and your PC should be checked at an original repair shop. And if no errors are reported after testing, then this is a software related issue.

Remove defective devices from the system

FAT file system error in Windows 10 can be caused by faulty hardware or its driver, removing all peripheral devices (which can be removed) and reconnecting them one by one to identify the problematic devices (if any).

  • Turn off the system.
  • Erase all USB ports and SD card slots and remove the external hard drive.
  • Remove and reconnect the mouse and keyboard as needed to communicate with the computer.
  • Leave only one RAM in the system and remove all other RAM, if there is more than one.
  • If there is more than one storage drive, either an SSD or HDD in the system, remove them all (just unplug their power cables) except for the drive that has an operating system.
  • Remove the graphics card except for the built-in card.
  • Reboot your computer now to check if you still have FAT file system error in Windows 10 and if the system is clean shut it down.
  • Add any of the removed devices and turn on the system, and check if the error appears. Repeat these steps until you find the defective device.
  • Once the defective device is identified, try the defective device on another computer to see if the hardware is damaged. If yes, please replace the faulty one with a new one.

Run the ChkDsk الأمر command

A hard drive that is used for a long time begins to accumulate damages and errors caused by factors including unexpected system shutdowns, bad software, bad sectors, and metadata corruption. This factor alone can cause many system errors including the FAT file system error in Windows 10. Microsoft has included a CHKDSK tool in Windows to check and repair the hard drive for corruption or corruption. So running CHKDSK might solve the problem.

  • If you can boot your system in safe mode, skip to step 10.
  • If you cannot boot into safe mode, try using advanced repair options and go to Command Prompt (continued from step 10).
  • If you cannot boot into safe mode and cannot use the advanced repair options, create Windows installation media.
  • Plug in the Windows installation media, boot your system and boot from the Windows installation media (don’t forget to change the BIOS to boot from the Windows installation media).
  • On the Windows setup screen, click Next.
  • Click on the Repair your computer link on the next screen of the same window.
  • Now click on Troubleshoot on the next screen.
  • Then click on Advanced Options in the troubleshooting window:
  • Now under Advanced Recovery Options, click on Command Prompt
  • At the command prompt, type

chkdsk / f / r

  • and press Enter.
  • Then, if prompted, press Y on your keyboard to allow that volume to be checked the next time your computer restarts.
  • Remember that you can also run CHKDSK by connecting the hard drive of the problem system to another working computer.
  • After running ChkDsk in any way, restart your system in normal mode and check if your system is free from FAT file system errors in Windows 10.

Run Driver Verifier to identify the problematic driver

Device drivers communicate between the operating system and hardware devices. If any of these drivers are improperly configured, corrupted, or outdated, you will encounter various errors including the FAT file system error in Windows 10. Windows has a built-in driver checker tool to check if any of these drivers are Playback is not working properly or not. If there are any errors. some errors. It was detected by Driver Verifier, then we can fix it by updating it to the latest version.

  • Press the Windows button and type Command Prompt, in the displayed menu right-click on Command Prompt and click Run as administrator.
  • Now, in an elevated Command Prompt, type the following command:

checker

  • and press Enter.
  • Now in Driver Verifier Manager, select Create Standard Configuration and hit Next to continue.
  • Select the “Automatically select all drivers installed on this computer” option, then click Finish.
  • Now Windows will check for errors. After you are prompted to restart your computer, do so.
  • The next time Windows restarts, it will check all drivers installed on your computer for problems. If you find some problems, it will notify you accordingly. This may take some time, so be patient and let the process finish.
  • If corrupt drivers are found, update them.
  • After updating the drivers, check if you can start the system without the FAT file system error in Windows 10 error.

Uninstall folder protection/encryption apps

Some encryption and folder protection software can cause FAT_FILE_SYSTEM to appear. These applications can cause the BSOD error because their encryption method is interfering with your hard drive. If you are using any of these tools, uninstalling them may solve the problem.

  • Boot your system in safe mode.
  • Press the Windows button and type “Control Panel” and in the displayed list, click on “Control Panel”.
  • In Control Panel, click “Uninstall a Program”.
  • In the Programs and Features window, find and right-click the security/encryption software, then click Uninstall.
  • Follow the on-screen instructions to complete the uninstall process.
  • After uninstalling the security/encryption software, boot the system in normal mode and check if the system is free from FAT file system errors in Windows 10.

Final Words: FIX: FAT FILE SYSTEM ‘fastfat.sys’ error in Windows 11

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