The 2 L bracket likely got bent during the difficult removal. Bend as necessary to straighten.

Facing LCD glass down on a flat surface. Install brackets to ensure magnets are flush against the flat surface. Install Torx Screws. This is the alignment to ensure magnetic glass installation will be flush

On bottom straight bracket, clamp the 2x black lifting tab under the bracket. Tabs can easily break over their folds. Not a problem.