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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 optical discs or USB flash drives, 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:
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.
Unscrew the two screws on the rear of the computer.
6.
Slide the panel back (1) and lift if off the computer (2).
4
Chapter 2 Hardware upgrades
Regardless of the power-on state, voltage is always present on the system board
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