Epson EL 3S/33 - Manual (Page 41)

Caution
Never install options or change jumper settings with the
computer turned on or the power cord connected to the
computer.
Once you have installed your option, see “Post-installation
Procedures” on page 3-20.
Removing and Replacing the Cover
You need to remove the computer’s cover to install any of the
options described in this chapter or to install or remove a disk
drive (as described in Chapter 4).
Follow these steps to remove the cover:
1. Turn off the computer and then any peripheral devices
(including the monitor and printer).
2. Disconnect the computer’s power cable from the electrical
outlet and from the back panel. Also disconnect any cables
that are connected to the computer, including the keyboard
cable.
3. If the monitor is on top of the computer, lift it off and set it
to one side.
4. Turn the computer around so the back panel is facing you.
3-2 Installing and Removing Options