The company suggests that as an alternative to a camera cover, people should use the camera indicator light to determine if their camera is active, and decide which apps can use the camera in System Preferences.
As to how one can find if the camera is on, according to Apple, the FaceTime HD camera built into Mac computers is designed with privacy in mind and uses a camera indicator light that glows green when the camera is active. This is aimed to help users know when the camera is on. “The camera is engineered so that it can’t activate without the camera indicator light also turning on. This is how you can tell if your camera is on,” says the support document.
The warning comes after several users complained of their displays crack after covering the camera. The issue is reportedly especially bad with the new 16-inch MacBook Pro models that sport thinner bezels.
Also, if users think that they need to keep camera cover on all the time, Apple has following guidelines to avoid damaging the display:
* Make sure the camera cover is not thicker than an average piece of printer paper (0.1mm).
* Avoid using a camera cover that leaves adhesive residue.
* If you install a camera cover that is thicker than 0.1mm, remove the camera cover before closing your computer.