220-1102 Practice Question: That a USB printer stopped working immediately…

Answer choices

Why each option matters

Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.

Answer analysis

Why the other options are wrong

Understanding why incorrect options are tempting is as important as knowing the correct answer.

• ✗

  Update the driver from Device Manager

  Updating might install the same problematic driver again; rollback is more targeted.

• ✗

  Uninstall the printer and reinstall it

  This is more drastic and may not be necessary; rollback is simpler and faster.

• ✗

  Run Windows Update again

  This would not fix a driver that was already updated; it could even reapply the bad update.

Technical deep dive

How to think about this question

The scenario presented directly points to a driver incompatibility issue introduced by a recent Windows update. When a device driver exhibits a yellow exclamation mark in Device Manager, it signifies a problem with the driver, often related to corruption, incompatibility, or missing files. In this specific context, since the printer was working immediately before the update and stopped working immediately after, the most direct and least disruptive solution is to revert to the previously installed driver. The 'Roll Back Driver' feature in Device Manager is designed precisely for this situation. It replaces the currently installed, problematic driver with the version that was active prior to the most recent change, effectively undoing the update's impact on that specific driver. This approach is superior to attempting to update the driver again because updating might simply reinstall the same problematic version or a newer one that still has compatibility issues with the current Windows build. Uninstalling and reinstalling the printer is a more drastic measure that involves removing all associated software and reconfiguring the device, which is unnecessary if the core issue is just the driver version. Running Windows Update again is counterproductive; it was the initial update that caused the problem, and re-running it could potentially reapply the problematic driver or even introduce further complications. Rolling back the driver is a targeted, efficient, and often successful first step when a recent system change, like an update, directly correlates with a device malfunction.

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