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How to Fix PNP Detected Fatal Error – Tutorial

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Written by Kelly Houstan

The PNP_DETECTED_FATAL_ERROR also has a bug check value of 0x000000CA. That indicates that the PNP Manager also has encountered a severe error. The main cause of this error must be a problematic Plug and Play driver who might have also got corrupted like you know that PNP stands for Plug and Play. That is developed via Microsoft to give users the ability to plug a device into a PC and also have that computer recognize the device. Without even users telling the computer to do so. Just read this article to know all about How to Fix PNP Detected Fatal Error – Tutorial. Let’s begin!

Now if you guys are facing this fatal error, then this means the Plug and Play functionality might not be working. And you may not be able to use USB devices, external hard disks, video cards as well. So without even wasting any time let’s see how you can actually Fix PNP Detected Fatal Error Windows 10 along with the help of the below-listed troubleshooting guide.

How to Fix Fix PNP Detected Fatal Error – Tutorial

Run System Restore

  • Tap on Windows Key + R and type”sysdm.cpl” then hit enter.
  • Choose the System Protection tab and select System Restore.
  • Tap on Next and choose the System Restore point as you want.
  • Now follow the on-screen instruction in order to complete the system restore.
  • After reboot, then you may be able to Fix PNP Detected Fatal Error Windows 10.

Uninstall Drivers or Software

  • First, you have to boot your PC into Safe Mode.
  • Tap on Windows Key + R then type devmgmt.msc and click on Enter to open Device Manager.
  • If you have recently updated any drivers for any devices, then just locate the exact device.
  • Right-tap on it and choose Properties.
  • Now switch to Driver tab and tap on Roll Back Driver.

PNP Detected Fatal Error

  • Tap on Windows Key + R then type appwiz.cpl and hit Enter.
  • If you have recently installed any new program, then just make sure to uninstall it from your PC using Program and Features.
  • Reboot your PC into normal mode and then see if you’re able to Fix PNP Detected Fatal Error.

Update or Roll Back Drivers | PNP Detected Fatal Error

One of the easiest ways, in order to resolve a plethora of blue screen errors, is to make sure that your computer has the latest drivers installed.

But, if Windows 10 update your drivers recently and the error appeared right after. And it’s best to revert to the old version as well. Drivers can easily be managed via Windows in-built Device Manager.

How to Update a Driver

  • Tap on Windows Key + R to launch the Run application. Type in devmgmt.msc in the text box and hit Enter in order to open the Device Manager.
  • In the Device Manager, navigate to the desired device and then expand the menu. Right-click on the driver and choose Update Driver. Since we’re dealing along with the PNP_DETECTED_FATAL_ERROR, it’s best to update drivers related to devices like keyboards, mice, headphones, as well.
  • In the window that opens, just tap on Search automatically for updated driver software.
  • Windows will automatically download and install the latest drivers as well.
  • Now reboot your computer.

How to Roll Back Drivers

  • Tap on Windows Key + R and type devmgmt.msc in the text box, then hit Enter.
  • In the Device Manager window, now look for the required device and expand the menu.
  • Right-tap on the desired driver and choose Properties.
  • Now under the Driver tab, and then tap on Roll Back Driver.
  • After the driver has been installed, just reboot your computer.

Run SFC and DISM

  • Just open Command Prompt. The user can perform this step via searching for ‘cmd’ and then press Enter.
  • Now type the following in the cmd and click on enter:
Sfc /scannow
sfc /scannow /offbootdir=c:\ /offwindir=c:\windows (If above fails then try this one)
  • Now, wait for the above process to finish and once done, then just restart your PC.
  • Again open cmd and just type the following command and hit enter after each one:
Dism /Online /Cleanup-Image /CheckHealth
Dism /Online /Cleanup-Image /ScanHealth
Dism /Online /Cleanup-Image /RestoreHealth
  • Just let the DISM command run and wait for it to finish.
  • If the above command doesn’t work, and then try on the below:
Dism /Image:C:\offline /Cleanup-Image /RestoreHealth /Source:c:\test\mount\windows
Dism /Online /Cleanup-Image /RestoreHealth /Source:c:\test\mount\windows /LimitAccess

Note: Replace the C:\RepairSource\Windows along with your repair source (Windows Installation or Recovery Disc).

  • Reboot your PC to save changes and then see if you’re able to Fix PNP Detected Fatal Error Windows 10.

Run CCleaner | PNP Detected Fatal Error

  • First of all, download and install CCleaner & Malwarebytes.
  • Now run CCleaner and then select Custom Clean.
  • Then under Custom Clean, select the Windows tab and checkmark defaults, and tap on Analyze.
  • When Analyze is complete, make sure you’re certain to remove the files to be deleted as well.

PNP Detected Fatal Error

  • At last, click on the Run Cleaner button and then let CCleaner run its course.
  • In order to further clean your system, select the Registry tab, and make sure the following are checked:
  • Tap on the Scan for Issues button and allow CCleaner to scan, and then click on the Fix Selected Issues button.
  • Whenever CCleaner asks “Do you want backup changes to the registry? choose Yes.
  • When your backup has completed, then tap on the Fix All Selected Issues button.
  • Now restart your PC in order to save changes.

Boot the Computer in Safe Mode

Many a time, the PNP_DETECTED_FATAL_ERROR blue screen may be caused via problematic third-party software or drivers. In order to diagnose this issue, it’s important to boot your computer into safe mode.

When in safe mode, Windows boots along with only important services and applications running. All third-party software and drivers will be disabled as well.

How can you Boot in Safe Mode

  • In the Start menu search bar, you have to type sysconfig and tap on System Configuration in the search results.
  • Now under the Boot tab, check the Safe boot option and also choose the Network sub-option under it.
  • Tap on OK and reboot your computer.

After booting into safe mode, now wait for a few minutes to see if the error pops up again. If it doesn’t, then it’s likely being caused via recently installed software or a driver. If you recently installed any new drivers, then now is the time to uninstall them via the Device Manager.

Run Automatic Repair | PNP Detected Fatal Error

  • You have to insert the Windows 10 bootable installation DVD and restart your PC.
  • When prompted to tap on any key to boot from CD or DVD, press any key in order to continue.
  • Choose your language preferences, and click Next. Tap on Repair your computer in the bottom-left.
  • To choose an option screen, you have to tap on Troubleshoot.
  • On Troubleshoot screen, just tap on the Advanced option.
  • Now the Advanced options screen, tap on Automatic Repair or Startup Repair.
  • Wait till the Windows Automatic/Startup Repairs are complete as well.
  • Restart and you guys have successfully Fix PNP Detected Fatal Error Windows 10, if not, continue.

Make sure Windows is up to date

  • Tap on Windows Key + I in order to open Settings then click on Update & Security.
  • From the left-hand side, the menu tap on Windows Update.
  • Now click on the “Check for updates” button in order to check for any available updates.
  • If any updates are pending, and then click on Download & Install updates.
  • When the updates are downloaded, install them, and then your Windows will become up-to-date.

Temporarily Disable your Antivirus

  • Right-tap on the Antivirus Program icon from the system tray and then choose Disable
  • Next, choose the time frame for which the Antivirus will remain disabled as well.

Note: Select the smallest amount of time possible, such as, 15 minutes or 30 minutes.

  • Once done, then try to navigate around and check if you’re able to Fix PNP Detected Fatal Error Windows 10.

Run Disk Cleanup

  • Just open Command Prompt. The user can perform this step via searching for ‘cmd’ and then press Enter.
  • Now type the following command into cmd and hit Enter:


  • Choose C: Drive first and click OK. Then follow the same step for each and every other drive letter.
  • When the Disk Cleanup wizard shows up, checkmark Temporary files from the list and tap on OK.
  • Now restart your PC in order to save changes.


Well, That is all from my side. If you want to know more about this article or have any queries. Then feel free to ask me anything in the comments section below.

Have a Good Day!

Also See: How to Fix Dell Laptop Touchpad Not Working

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Kelly Houstan

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