58 - 6 Upgrading your computer
Pre-installation instructions
Always observe the following before you install any component:
1. Make sure that the ODD and card reader slot is empty.
2. Turn off the power to the computer and all peripherals.
3. Unplug the power cord from the computer.
4. Unplug the network cable and all connected peripheral devices from
the computer.
5. Place the computer on a flat, steady surface.
6. Open your computer according to the instructions on
Removing the
left side system cover on page 59
.
7. See the following sections for specific instructions on the component
you wish to install.
Post-installation instructions
Observe the following after installing a computer component:
1. See to it that the components are installed according to the step-by-
step instructions in their respective sections.
2. Replace any expansion boards or peripherals that you removed
earlier.
3. Replace the system covers. See
Installing the left side system
cover on page 60
and
Installing the right side system cover on
page 62
.
4. Connect the necessary cables.
5. Turn on your computer.
Warning
Not turning off the computer properly before you start installing the
components may cause serious damage. Do not attempt the
procedures described in the following sections unless you are a
qualified service technician.
