Acer AT110 Series User Manual page 47

(2) Open the retention plate to expose the socket body.
(3) Grasp the processor by its edges and lift it out of its socket.
6 Remove the new processor from its protective packaging.
7 Install the new processor.
(1) Hold the processor by its edges, then insert it in the socket.
Make sure that the alignment tabs on the socket fit the two
notches located on the edges of the processor. The pins are
keyed in such a way that you cannot install the processor in
the wrong orientation without bending the pins.
(2) Close the retention plate.
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