iFixit

Sometimes when removing the front display bezel, the retaining clips that should remain captive in the LCD brackets come out with the front display bezel. Follow this and the next step to transfer the clips back to the LCD bracket.

Use a metal spudger or another thin tool to carefully pry the gray plastic clips off the tabs molded into the front display bezel.

Be careful, as the clips are made of thin plastic and are inherently delicate.

Insert the longer end of the retaining clip beneath the edge of its recess cut into the LCD bracket.

Use the edge of a metal spudger to push the shorter tab on the other side of the retaining clip into the recess cut into the LCD bracket.

The second picture shows the LCD bracket properly installed.