Not being beside you to see what you mean by 'stick out to the side' I can only surmise that you were not able to get the rear of the board and the attached ports, the top two snap-tabs and the bottom two cut-outs all simultaneously aligned, and then to slide the MLB to the rear so that it could be held securely (by the central screw). After that, the heart-in-mouth replacement of the power-on switch and LED without breaking their plastic tangs is almost an anti-climax, no?

You may not be able to replace the metal casing if the MLB projects, so best of luck in getting it right.

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