HP dc7900 series User Manual

Removing the Computer Access Panel
To access internal components, you must remove the access panel:
1. Remove/disengage any security devices that prohibit opening the computer.
2. Remove all removable media, such as a compact disc, 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: Regardless of the power-on state, voltage is always present on the system board as
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. If the computer is on a stand, remove the computer from the stand and lay the computer down.
6. Loosen the thumbscrew on the rear of the computer (1), slide the access panel toward the front of
the computer, then lift it off (2).
Figure 2-2 Removing the Computer Access Panel
ENWW Removing the Computer Access Panel 9

HP dc7900 series Specifications

General

Chipset	Intel Q45 Express
Memory	Up to 16 GB DDR2 SDRAM
Network	Integrated Intel 82567LM Gigabit Network Connection
Audio	Integrated High Definition Audio
Processor Options	Intel Core 2 Duo
Storage Options	Solid State Drive
Graphics	Integrated Intel Graphics Media Accelerator 4500
Optical Drive	DVD-ROM
Ports	USB 2.0, VGA, DisplayPort, serial, parallel, PS/2, audio in/out
Form Factor	Small Form Factor (SFF)
Operating System	Windows XP
Power Supply	240W
Expansion Slots	PCI Express x16