Acer Aspire One AOD250 Service Manual page 63

4. Remove the five securing screws from the Upper Cover.
Step Size Quantity Screw Type
Upper Cover M2*4 5
5. Remove the Hinge Covers as shown.
NOTE: The Hinge Covers are not identical; the right side cover has a longer locating pin.
6. Grasp the top-right side of the upper cover and pry apart.
Chapter 3 53