2020 iMac detail question
Along the top of the face of my 27" iMac 2020 are 3 items. The center item is the camera & the item on the right is the camera on/off light. What is the item on the left of the camera?
iMac 27″, macOS 11.7
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The item on the left of the camera on your 27" iMac 2020 is the ambient light sensor. This sensor helps your iMac automatically adjust the brightness of the display based on the lighting conditions of your environment.