ラップトップの外部 Web カメラ ソフトウェアは実行されていますが、画像もビデオも表示できません。技術者が最初に行うべきことは次のうちどれですか?
正解:A
Reseating the webcam means unplugging and plugging back the webcam into the laptop's USB port. This can help to ensure that the webcam is properly connected and recognized by the laptop. Reseating the webcam is a simple and quick troubleshooting technique that can solve many common issues, such as loose or faulty connections, power or bandwidth problems, or driver or software conflicts. Reseating the webcam is the first step that a technician should do, because it follows the principle of starting with the easiest and most obvious solution before moving on to more complex and time-consuming ones. Reseating the webcam can also help to isolate the problem and eliminate other possible causes.