2Briefly press the power button.
Pressing the power button when the computer is not connected to an electrical outlet discharges residual electricity and can help prevent system board damage.
3Remove the computer cover (see page 42).
4Press out the securing clip at each end of the memory connector.
5Align the notches on the bottom of the module with the crossbars in the connector.
NOTICE: To avoid breaking the memory module, do not press near the middle of the module.
6Insert the module straight down into the connector, making sure that it fits into the vertical guides at each end of the connector. Press firmly on the ends until the memory module snaps into place.
If you insert the module correctly, the securing clips snap into the cutouts at each end of the module.
memory module cutouts (2)
securing 
clips (2) 
6.
notches (2) 
5.
connector 
4.
To remove a memory module, press out the securing clip at each end of the memory connector until the memory module disengages from the connector.
Adding Parts
49