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Disassembly and Reassembly 3-3
When disassembling the system unit, follow these general rules.
Before opening the system or handling boards or chips, touch the frame
to discharge static.
Disconnect all peripherals before disassembling the system unit.
Do not disassemble parts other than those specified in the procedure.
All screws are Phillips-head, unless otherwise specified.
Label any connector before removing it. Note where the connector goes
and in what position it was installed.
On completion of any reassembly, perform a power-on test. If a fault occurs,
verify that the reassembly was performed correctly.
!
CAUTION
Before handling boards or chips, ground yourself to release
static.
System Unit Cover Removal
The following sections describe how to remove and replace the system unit side
covers and top cover.
Removing the Side Covers
Before installing optional hardware inside your computer, you must first remove
one or both of the side covers on the system unit. The left side cover must be
removed whenever the interior of the system unit is accessed. Less frequently,
the right side cover must be removed. The following procedure applies to either
cover.
!
WARNING
Before you remove a 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 attached device
(such as speakers or a printer) from the rear of the system unit.
Summary of Contents for POWERMATE PROFESSIONAL 9000E - SERVICE
Page 14: ...1 System Overview Configurations Features Components ...
Page 92: ...4 System Board Sockets and Connectors Jumpers Components Resources ...
Page 120: ...5 Expansion Boards Sound Board Graphics Board Network Board ...
Page 132: ...7 Preventive Maintenance System Cleaning Keyboard Cleaning Mouse Cleaning ...
Page 136: ...8 Troubleshooting Checklist Diagnostics ...
Page 176: ...A Release Notes General Notes Windows NT Issues ...