Gateway 450ROG Service Manual page 19

Replacing Gateway 450ROG Components
9
Hold the new or replacement module at a 30-degree angle and press it 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 slot.
10
Gently push the module down until it clicks in place.
11
Replace the memory bay cover and tighten the cover screw.
14 www.gateway.com