100-140 Question 120
Single answerA user reports that their external USB hard drive is not being recognized by their Windows PC. You open Device Manager and notice a yellow triangle with an exclamation mark next to the USB Mass Storage Device. What is the most appropriate first step to troubleshoot this issue using Device Manager?
- A
Right-click the USB Mass Storage Device and select 'Uninstall device,' then restart the computer to reinstall the driver.
- B
Right-click the USB Mass Storage Device and select 'Disable device,' then enable it again to reset the hardware.
- C
Right-click the USB Mass Storage Device and select 'Update driver,' then choose the option to search automatically for updated drivers.
- D
Check the Properties of the USB Mass Storage Device for detailed error messages or codes.
Show answer and explanation
Correct answer: D
Explanation
When troubleshooting hardware issues in Device Manager, the yellow triangle indicates a problem with the device. Checking the Properties for error codes or messages provides crucial information to identify the root cause. This step should always be performed before attempting other fixes, as it saves time and ensures the correct resolution path is followed.
- A. Incorrect.
Uninstalling the device and restarting the computer may reinstall the driver, but this should not be the first step. It is better to gather more information about the issue first.
- B. Incorrect.
Disabling and enabling the device could reset the hardware, but this is not the most logical first step without understanding the error.
- C. Incorrect.
Updating the driver could resolve the issue if it is driver-related, but identifying the root cause using error messages or codes is a more appropriate first step.
- D. Correct.
Checking the Properties of the USB Mass Storage Device provides specific error codes or messages, which can guide the troubleshooting process effectively. This is the most logical first step.