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2-4 Dell Dimension 900 System Reference and Troubleshooting Guide
Figure 2-2. Removing the Bezel
4. Place the cover on the computer, and slide it toward the front of the computer.
5. Replace the screws that you removed when you removed the computer cover.
6. If you are using a padlock to secure your system, reinstall the padlock.
7. Replace the bezel.
8. Place the computer in its stand.
CAUTION: Your system is designed to work only in a vertical orientation
using the stand shipped with the computer. Do not attempt to operate the
system lying flat on a desktop, and do not set heavy objects such as a
monitor on top of the computer.
Inside Your Computer
Figure 2-3 shows the computer with its cover removed as an aid in locating internal
features and components.
When you look inside your computer, note the DC power cables coming from the
power supply. These cables supply power to the system board and to internal drives.
The flat ribbon cables are the interface cables for internal drives. An interface cable con-
nects a drive to an interface connector on the system board.
The system board—the large printed circuit board secured to the left side of the
chassis—holds the computer’s control circuitry and other electronic components.
Some hardware options are installed directly onto the system board.
front panel tabs (3)
bezel