Sony VAIO VGN-AW51JGB Service Manual page 20

4-2. The Method of Holding Main Board
When operating with both hands, gently hold the middle of Main board edge as show.
1.
When operating with one-hand, gently hold the middle of Main board edge and keep vertical.
2.
(Level)
4-2
(END)
(Vertical)
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VGN-AW Series (9-852-817-XX)