The sleep sensor from your description is a strong likelihood. This series uses a simple Magnet/Hall sensor setup. Within the lid is a rare earth magnet that when in the down state meets up with the Hall sensor mounted on the main logic boar on the upper case side. It's located just above the USB-C ports on the edge. Here's an image of the logic board where I marked it
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The sleep sensor from your description is a strong likelihood. This series uses a simple Magnet/Hall sensor setup. Within the lid is a rare earth magnet that when in the down state meets up with the Hall sensor mounted on the main logic board on the upper case side. It's located just above the USB-C ports along the edge. Here's an image of the logic board where I marked it.
[image|3646931]
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Take a rare earth magnet sliding it across the uppercase palm area where the sensor is located. Does the display shut off as you slide it over it?
The sleep sensor from your description is a strong likelihood. This series uses a simple Magnet/Hall sensor setup. Within the lid is a rare earth magnet that when in the down state meets up with the Hall sensor mounted on the main logic boar on the upper case side. It's located just above the USB-C ports on the edge. Here's an image of the logic board where I marked it
[image|3646931]