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220-802 · Question #465

A technician plugs a USB device into the computer. The system tray displays a message that reports the device is installed, but may not work properly. Which of the following is the MOST likely cause…

The correct answer is B. The device needs an updated driver installed. The Windows message 'device installed but may not work properly' is the standard notification that Windows used a generic or mismatched driver and the correct driver is required.

Hardware and network troubleshooting

Question

A technician plugs a USB device into the computer. The system tray displays a message that reports the device is installed, but may not work properly. Which of the following is the MOST likely cause of the message?

Options

  • AThe device needs a firmware update.
  • BThe device needs an updated driver installed.
  • CThe plugged in device is too slow for the USB port speed.
  • DThe device is incompatible with the installed version of Windows.

How the community answered

(22 responses)
  • A
    5% (1)
  • B
    91% (20)
  • D
    5% (1)

Why each option

The Windows message 'device installed but may not work properly' is the standard notification that Windows used a generic or mismatched driver and the correct driver is required.

AThe device needs a firmware update.

Firmware updates modify the device's internal software and are not related to the driver installation warning Windows generates at plug-in time.

BThe device needs an updated driver installed.Correct

Windows displays this specific message when it cannot locate a fully compatible driver and falls back to a generic one. Installing the correct, manufacturer-supplied driver for the USB device resolves the warning and enables full device functionality. Without the proper driver, device features or performance may be partially or fully unavailable.

CThe plugged in device is too slow for the USB port speed.

A speed mismatch between the device and the USB port (such as USB 1.1 device in USB 3.0 port) causes a performance advisory, not an 'installed but may not work properly' warning.

DThe device is incompatible with the installed version of Windows.

Full incompatibility with the Windows version would typically result in a failure to install at all, not a partial installation warning.

Concept tested: USB device driver installation and Windows driver warnings

Source: https://support.microsoft.com/en-us/windows/update-drivers-manually-in-windows-ec62f46c-ff14-c91d-eead-d7126dc1f7b6

Topics

#USB device#driver installation#plug and play#device manager

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