A user reports that their laptop's built-in camera is unpredictably switching off during video conferences. After confirming the issue is not related to the video conferencing software, which of the following should a technician check NEXT to troubleshoot this problem?
Disable the antivirus temporarily to see if it is blocking the camera's operation.
Examine and update the camera's driver in the Device Manager if necessary.
Double-check the camera settings within the video conferencing software.
Go into the BIOS settings to ensure the camera is not being powered down for energy saving.