Gateway 4012gz User Guide

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Chapter 6: Upgrading Your Notebook
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Important
Before installing memory or replacing the hard 
drive, you should read and understand the 
information in this section.
Warning
To avoid exposure to dangerous electrical voltages 
and moving parts, turn off your notebook and 
unplug the power cord, modem cable, and network 
cable before opening the case.
Warning
To prevent risk of electric shock, do not insert any 
object into the vent holes of the notebook.