Removing The Computer Access Panel - HP dx2420 - Microtower PC Hardware Reference Manual

Removing the Computer Access Panel

1. Remove/disengage any security devices that prohibit opening the computer.
2. Remove all removable media, such as diskettes or compact discs, from the computer.
3. Turn off the computer properly through the operating system, then turn off any external devices.
4. Disconnect the power cord from the power outlet and disconnect any external devices.
CAUTION:
long as the system is plugged into an active AC outlet. You must disconnect the power cord to
avoid damage to the internal components of the computer.
5. Loosen the screw (1) that secures the access panel to the computer chassis.
6. Slide the access panel back (2) about 1.3 cm (1/2 inch), then lift it off the unit.
NOTE:
with the access panel is facing up.
Figure 2-1
ENWW
Regardless of the power-on state, voltage is always present on the system board as
You may want to lay the computer on its side to install internal parts. Be sure the side
Removing the Computer Access Panel
Removing the Computer Access Panel 9