Gateway E-4620 Reference Manual page 59

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5
Disconnect the cables from the 5.25-inch component,
noting their locations and orientation. You will reconnect
the cables after you reinstall the component. (DVD drive
shown.)
6
Pull the release latch down to the Unlock position on the
5.25-inch bay, then slide the component forward and out
of the bay.
7
Lift the 5.25-inch component bay from the chassis to
remove it.
8
Disconnect the fan cable from the system board.
53