How to Fix 'A Device Attached to the System Is Not Functioning' Error on Windows 10

Have you clicked impressive pictures with your iPhone that you wish to transfer to your Windows 10 PC so that you can have a look at them on a large screen? If yes, then you can easily do so by connecting your iOS device to the PC and then transfer the files. But wait!! Many Windows 10 users have reported that they encounter the error copying file or folder a device attached to the system is not functioning. This issue generally occurs when you try to copy files from a USB storage device or when using programs like BitLocker.

a device attached to the system is not functioning

So, if you are one of those affected users who's hunting for reliable methods to fix device attached to the system is not functioning issue, then you don't need to worry as we are here with multiple fixes to help you resolve this issue. In this guide, we will walk you through various solutions that are easy to try and implement; hence you are free from hassle.

Let's proceed then!

Part 1: How Do You Solve A "Device Attached to the System is not Functioning" Error When Copying File or Folder from iPhone to Windows 10

If you are hunting for the quick-fixes to solve iPhone a device attached is not functioning error on Windows 10 PC, then this section of the guide has got you covered! Here we have compiled a list of 7 easy-to-follow tips to help you solve this problem.

Tip 1: Check Device Connection

The first and foremost way to fix a device attached to the system is not functioning iPhone error is by checking the device connection. In most cases, the iPhone device attached to the system is not functioning issue occurs because of the connectivity problem between the connected USB device, i.e., an iPhone and the PC.

So, in order to fix this, disconnect your iPad or iPhone from the Windows 10 PC. In case there are other USB devices connected to your PC at the same time, disconnect them all. Once you unplug all the connected devices, reconnect your iOS device to the Windows PC, preferably to a different USB port, and using a different USB cable and check if the issue has now been resolved. 

If the issue still persists, then try fixing it with the next method.

Tip 2: Check Your iPhone/iPad Storage

There are times when your iPad or iPhone's storage is full, and this causes the device attached to the system is not functioning iPhone issue on Windows 10 computer. So, if there is a lack of space on your iOS device when converting HEIF/HEVC photos and videos, then you will surely face this issue. And therefore, it's highly recommended to check the iPhone's storage before you proceed to the other solutions stated below.

Here's how to check the storage space on your iOS device:

  1. Step 1: Navigate to the "Settings" of your iOS device and click on "General".
  2. Step 2: Now, tap on the "iPhone Storage" option.

    check iPhone storage

Here, you will see your iPhone's storage, as shown in the image below. If the storage is full, then try clearing the unwanted files to free up some space.

Tip 3: Changing the "Transfer to Mac or PC" Settings on iPhone

As stated above, the iPhone device attached is not functioning error occurs when HEIF (HEVC) files are converted to JPG format during the transferring process. So, if you wish to fix this issue, then you will have to change the settings on your iPhone to allow the transfer; otherwise, it will not work seamlessly.

Follow the steps stated below in order to change the "Transfer to Mac or PC" settings on iPhone:

  1. Step 1: Open the "Settings" app on your iPhone.
  2. Step 2: Now, scroll down a bit and click on "Photos".
  3. Step 3: Once you are in the "Photos" settings, scroll all the way down and click on "Transfer to Mac or PC Settings".
  4. Step 4: Here, choose the option "Keep originals" and try transferring the files again.

    change the transfer to mac or pc settings on iPhone

That's all! You have successfully changed the "Transfer to Mac or PC" settings on your iOS device. Check now to see if the problem persists.

Tip 4: Try Another USB Port and USB Cable

In case there is an improper connection between the Windows 10 PC and the iOS device, then this issue might occur. There are chances that the connector is not properly connected to the port or the USB cable that you are using to connect your iPhone to PC is damaged. So, in order to resolve this issue, try reconnecting the iOS device to the PC through another USB port, and if you are using the cable, then make sure that the USB cable is not damaged and supports data transfer.

damaged usb cable

Trying another USB port or USB cable can definitely help you solve the device attached to the system is not functioning iPhone issue within a couple of minutes if and only if there's an issue with the USB port or USB cable.

Tip 5: Update Apple Drivers on Windows

Sometimes, the bad connection between the PC and iOS device may be caused by outdated drivers. So, if this is the case, then you need to update Apple Drivers on Windows 10 PC. For this, you need to:

  1. Step 1: Go to the search option on the taskbar and search for "Device Manager".
  2. Step 2: Once the "Device Manager" window is launched, expand the "Portable Devices" section.
  3. Step 3: Here, select the "Apple iPhone" option and right-click on it.
  4. Step 4: Finally, choose to update the driver for Apple iPhone. 

    update apple driver on Windows

Updating Apple Drivers on Windows is easy and quick with these steps above. Try if you can transfer the files from your iOS device to Windows PC now.

Tip 6: Reset Location and Privacy on iPhone

Another way to fix the iPhone device attached is not functioning issue on your Windows 10 PC is by resetting the Location and Privacy on iPhone. Whenever you connect your iPhone to the PC for the first time, you're asked to trust the PC first. Here, when you click "No" or something went wrong, then you might start facing this issue, but fortunately, we have a solution to fix it.

Here's how it works:

  1. Step 1: Disconnect your iPhone from the Windows 10 PC and go to "Settings".
  2. Step 2: Here, click on "General" and choose "Reset".
  3. Step 3: Under "Reset", choose "Reset Location and Privacy". Here, you will be asked to enter your iPhone's passcode. 

    reset location and privacy on iPhone

Isn't it easy and hassle-free to Reset Location and Privacy on iPhone? You can now check if the issue is resolved. If no, then opt for the next method.

Tip 7: Running SFC and DISM Commands

Running the SFC and DISM Commands can also help you fi x the error copying file or folder a device attached to the system is not functioning on Windows 10 PC. There are times when the corrupted files in your PC lead to the error, and this can be fixed by running the System File Checker scan and Deployment Imaging and Servicing Management command to scan and fix your PC. 

Refer to the step by step guide below to learn how to run SFC, and DISM commands:

  1. Step 1: Tap the "Start" button and enter "cmd”.
  2. Step 2: Now, right-click on "Command Prompt" in the list of options and choose "Run as administrator”.

    run command prompt on Windows

  3. Step 3: In order to run "SFC scan", enter "SFC /scannow" command and press the "Enter" key on your keyboard. 

    run sfc scan

  4. Step 4: To run "DSIM command", enter "dism /online /cleanup-image /restorehealth" and press the "Enter" key.

    run dism command

  5. Step 5: Now, restart your PC and then check if the issue is resolved now.

This method is pretty tricky in comparison to all the other methods stated here, as it requires you to enter the code. So, if you are not a technical expert, then choose the next method that allows you to transfer the files from iPhone to PC without any hassle. 

Part 2: Transfer Photos and Videos from iPhone to PC via Free iPhone Transfer Software

If none of the above-listed solutions work to fix the iPhone a device attached is not functioning issue on your Windows 10 PC, then this third party tool will indeed prove to be the best option for you. By far, using UltFone iOS Data Manager is the safest and quickest way to transfer photos and videos from iPhone to PC or Mac without iTunes. 

Advantages of iOS Data Manager

  • Transferring high quality videos and photos in original format and quality
  • One click to export all photos from iPhone to PC or Mac
  • Transfer files between computer and iOS device without iTunes syncing
  • Backup iPhone to computer in a flexible way without iTunes
  • Restore data selectively from backup
  • Manage (add/delete/export/import) iOS data on computer
Free Download For PC Secure Download Free Download For Mac Secure Download

How to Transfer Photos/Videos from iPhone to Computer

Here are the easy steps to transfer iPhone data to computer with the help of UltFone iOS Data Manager:

  • Step 1 Download and install UltFone iOS Data Manager on your Windows PC.

  • Step 2 Now, start this program on computer and connect your iOS device to the PC via a USB cable. Once the device is detected, choose “One-click to Export Photos to PC”.

    one click to export iPhone photos to PC

  • Step 3 Then, all photos in the Camera app on iPhone will be exported to computer.

    transferring photos to computer

  • Step 4 If you want to selectively transfer photos to PC, then choose Manage feature from the top menu, and choose a file type from the sidebar.

    transfer data from iPhone to computer without iTunes

  • Step 5 Here, you can preview all files in this category and select the file(s) you need to export.

    transfer photos from iPhone to computer

That is it. Not only photos, but also other files can also be transferred easily. You can even backup iPhone data for free with this program.

The Bottom Line

Having that said, you just had a look at the top methods to fix the device attached to the system is not functioning issue on your Windows 10 PC. You can fix the issue with any of the methods above, but all of them do not offer permanent solutions. So, in case you are looking for an advanced way to transfer the files from iPhone to Windows PC, then you are suggested to use the UltFone iOS Data Manager as this tool has got everything included to help you manage the data on your iOS device effortlessly. If this guide was helpful, do let us know your feedback. 

Manage Your iPhone The Way You Want
  • One click to backup iPhone to computer for free.
  • Selectively restore backup to iPhone/iPad.
  • Transfer files on iPhone/iPad/iPod to/from computer freely without limitation
  • One click to export photos to computer
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