A user creates a support ticket to report a conference room projector that does not work. The user says that even though the provided cables are being used, the projector screen shows the following error message: No signal input Which of the following describes the FIRST action that should be taken?
发布于 2021-03-18 18:37:01
【单选题】 A Verify that the projector is turned on B Verify that the user is using an approved OS C Replace the projector bulb D Check the video cable and replace it if necessary
