How to Eliminate “A Device Attached to the System is not Functioning” Error on Windows PC

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“The device connected to the system is not working” is a specific Windows 10 error that appears in the form of a pop-up window. You can easily close it by clicking the X button in the upper right corner of the pop-up window.

It usually appears when the PC is connected to an external hard drive, USB port, or other devices. In this case, the error simply tries to tell the PC user that the external device is not working properly and needs maintenance.

What are the causes of the “Device connected to the system is not working” error on a Windows PC?

This error means that your system is unable to communicate with the connected device and cannot transfer data from it. This error can occur when your computer is connected to a removable storage device and the connection is broken.

Some of the causes are driver incompatibility, USB port problems, etc. Note that this error may also occur if the external device is not connected. In addition, the error message may appear when opening documents, png files, etc.

How can I resolve the “Device connected to the system is not working” error on my Windows PC?



Updated: March 2024

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Format the device

  1. Back up the data on the USB device on another computer.
  2. Open File Explorer (on your keyboard, press the Windows logo key and E at the same time).
  3. Right-click on the USB device and select Format.
  4. Configure the formatting options, then click Start.
  5. Try transferring some files using the USB device and see if the error disappears.

Restart your computer

It’s also possible that your operating system is corrupt and you’re seeing the “Device connected to the system is not working” error. Restarting your computer may help you solve these problems. Try restarting your computer and see if the error goes away.

Launch the SFC scan and the DISM command

  1. Click the “Start” button and type “cmd”.
  2. In the list of results, right-click Command Prompt and select Run as Administrator.
  3. To run the SFC scan, type “sfc /scannow” and press the Enter key on your keyboard.
  4. To run the DISM command, type “dism /online /cleanup-image /restorehealth” and press
  5. Enter on your keyboard.
  6. Reboot the computer. Then check to see if the error has been fixed.

Update the device driver

  1. Download and install a third-party update driver.
  2. Run the third-party driver update program and click Scan Now.
  3. The third-party driver updater will then scan your computer and find any problematic drivers.
  4. Click the Refresh button next to the USB device to download the latest and most correct driver for that device.



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