Hello
As most of us knows, since MBP 2019, the hinge on lid cover has a magnet, and magnet sensor as well.
The sensor (LAS) is calibrated against your magnet. And the magnet is attached to the lid
So when one changes the screen ( mine on mbp2019 just died without any reasons), he gets new magnet and old sensor is not able to work correctly with the magnet. so the laptop doesn't know when your screen is closed.
Need to either go to apple official service and pay them or buy nerdtool.1 (179$, cool thing nonetheless) for a one time job.
But, there is an easier solution, requiring about 1 hour of time and proper hands - Just change the magnet on hinge. Attach your old magnet to your new hinge.
The magnet is actually glued to the hinge, just give it some angle moment (small ledge on the magnet will help you) and it will rotate, then can be easily removed.
Put small amount of super glue inside the magnet and reattach it to your new lid/hinge. NOTE: direction of the arrow on the magnet should be exactly same as it was on your old hinge, usually arrow point right down the lid, parallel to the lid. +-5° is ok.
The magnet has no load on it, so super glue or epoxy should be ok.
This worked for me on A2141:
As most of us knows, since MBP 2019, the hinge on lid cover has a magnet, and magnet sensor as well.
The sensor (LAS) is calibrated against your magnet. And the magnet is attached to the lid
So when one changes the screen ( mine on mbp2019 just died without any reasons), he gets new magnet and old sensor is not able to work correctly with the magnet. so the laptop doesn't know when your screen is closed.
Need to either go to apple official service and pay them or buy nerdtool.1 (179$, cool thing nonetheless) for a one time job.
But, there is an easier solution, requiring about 1 hour of time and proper hands - Just change the magnet on hinge. Attach your old magnet to your new hinge.
The magnet is actually glued to the hinge, just give it some angle moment (small ledge on the magnet will help you) and it will rotate, then can be easily removed.
Put small amount of super glue inside the magnet and reattach it to your new lid/hinge. NOTE: direction of the arrow on the magnet should be exactly same as it was on your old hinge, usually arrow point right down the lid, parallel to the lid. +-5° is ok.
The magnet has no load on it, so super glue or epoxy should be ok.
This worked for me on A2141: