HP E27u Maintenance And Service Manual page 16

5) Remove aLL AI foil and tapes. Disconnect LVDS cable, power key cable and panel lamp cable.
6) Remove all the screws. Release middle frame and main chassis module away from panel.
7) Tear off mylar tape and release power key board from the hook of the middle frame.
8) Remove the safety Mylar, then release the seven screws from the interface BD and power BD
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