5-2 Repair
When disassembling the system unit, follow these general rules.
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Disconnect all peripherals.
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When handling boards or chips, touch the system unit frame to discharge static.
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Do not disassemble parts other than those specified in the procedure.
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All screws are Phillips-head, unless otherwise specified.
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Label all removed connectors. Note where the connector goes and in what
position it was installed.
On completion of any reassembly, perform a power-on test (see Section 2, “Setup and
Operation”). If a fault occurs, verify that the reassembly was performed correctly.
CAUTION:
When handling boards or chips,
ground yourself to release static.
System Unit Cover Removal
The following subsection describes how to remove the system unit cover from the
minitower system.
WARNING:
Before removing the system unit
cover, turn off the power and unplug the system
power cable. Power is removed only when the
power cable is unplugged.
1.
Turn off and unplug the system unit.
2.
Disconnect the keyboard, mouse, monitor, and any other device (such as a
printer) connected from the rear of the system.
CAUTION:
Electrostatic discharge can damage
computer components. Discharge static
electricity by touching a metal object before you
remove the system unit cover.
3.
Remove the four cover screws from the rear of the system unit (see Figure
Section 5-1).
