Gateway Notebook Hardware Reference Manual page 44

CHAPTER 3: Maintaining and Upgrading Your Notebook
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Pull the memory module out of the slot.
11
Hold the new or replacement module at a 30-degree angle and press it
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into the empty memory slot. This module is keyed so it can only be
inserted in one direction. If the module does not fit, make sure that the
notch in the module lines up with the tab in the memory bay.
Replace the memory bay cover, then replace the cover screw.
13
Insert the main and optional multibay battery, then turn your convertible
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notebook over.
Connect the power adapter, modem cable, and network cable, then turn
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on your convertible notebook.
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