How to Fix the "A Device Attached to the System is Not Functioning" Error

The "A Device Attached to the System is Not Functioning" error can occur on Windows and Android devices for various reasons, and the solutions will differ based on the specific cause. In this article, we’ll go over the common causes and methods to resolve this issue.

Common Causes of the Error

This error often appears when transferring data between devices, such as copying files from a phone to a computer. Common causes include:

  • Issues with the USB cable or port;
  • Device driver failures or outdated drivers;
  • System errors on the phone or computer;
  • Incorrect USB connection settings.

Solutions to Resolve the Error

1. Check the USB Cable and Port

Try connecting the device to a different USB port or using another cable. Sometimes, the problem lies in the physical connection.

2. Restart Your Devices

Restarting both devices (phone and computer) can help clear temporary system errors that may be interfering with the connection.

3. Update the Drivers

Open Device Manager on your computer, locate the connected device, right-click it, and select Update Driver. If the driver is outdated, this can cause connection errors.

4. Check USB Settings on Your Phone

On Android devices, you can configure the USB connection type. Go to settings, select USB Connection, and set it to File Transfer or Media Transfer mode. This mode allows access to the device’s files from the computer.

5. Run a System Error Check

On Windows computers, you can perform a system check to detect any errors. To do this:

  • Open Command Prompt as an administrator;
  • Enter the command sfc /scannow and press Enter;
  • Wait for the process to complete and restart your computer.

6. Use an Alternative File Transfer Method

If the issue persists, consider transferring files via a wireless connection, such as Bluetooth, cloud services, or a file-sharing app.