User`s guide

Chapter 5
Accessing Internal Components
To access your computer’s internal components, you need to
remove two system covers, the external side cover and the
internal main system board cover. If you are going to install an
externally accessible device in the external drive bays, you also
need to remove the computer’s front panel. This chapter
describes how to remove and replace these items. Be sure to
read the following important safety precautions before you
begin.
Special Precautions
While this manual provides detailed instructions for
installing a variety of optional equipment, do not attempt a
procedure if you have any reservations about performing
it; ask your dealer or Authorized EPSON Servicer for
assistance.
Always turn off the computer and then wait at least
30 seconds before you disconnect all cables to the computer
and any peripheral devices, and remove the covers. First
disconnect the power cord from the electrical outlet and
then from the AC inlet on the computer’s back panel. Then
disconnect all peripheral devices from the computer,
including the monitor and keyboard.
If you do not disconnect the power cable before
removing the system cover you can damage your
The computer is heavy, so use caution when you move it.
Accessing Internal Components 5-1