5-4 Desktop Removal and Replacement
5.4 Preparation for Disassembly
See Chapter 4, “Removal and Replacement Preliminaries,” for initial procedures.
To prepare the computer for disassembly:
1. Remove any diskette or compact disc from the computer.
2. Turn off the computer and any peripheral devices that are connected to it.
CAUTION:
Turn off the computer before disconnecting any cables.
CAUTION:
When the computer is plugged into an AC power source, there is always voltage applied to the
system board. You must disconnect the power cord from the power source before opening the computer
to prevent system board or component damage.
3. Disconnect the power cord from the electrical outlet and then from the computer.
4. Disconnect all peripheral device cables from the computer.
✎
During disassembly, label each cable as you remove it, noting its position and routing. Keep all
screws with the units removed.
CAUTION:
The screws used in the computer are of different thread sizes and lengths; using the wrong
screw in an application may damage the unit.
5. Remove the green shipping screw from the back of the access panel. No tools are required for
removing this screw.
✎
If desired, the shipping screw may be replaced after servicing the computer .
Removing the Shipping Screw
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