NEC POWERMATE 5100 - SERVICE, Руководство по обслуживанию

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Disassembly and Reassembly 3-3
!
CAUTION
Before handling boards or chips, ground yourself to release
static.
System Unit Cover Removal
The following subsections describe how to remove and replace the system unit
cover.
Note:
For systems with LANDesk
®
Client Manager, a
chassis intrusion is reported to the Client Manager whenever
the cover is removed. When this occurs, a LANDesk Client
Manager Notification message displays every time the
system is turned on. Close the window to remove the
message from the screen. To prevent the message from
appearing again, clear the message from the system (launch
LANDesk Client Manager, open the Tools menu, click
PC Health
, and click
Clear
).
!
CAUTION
Electrostatic discharge can damage computer components.
Discharge static electricity by touching a metal object before
removing the system unit cover.
Removing the System Unit Cover
Remove the system unit cover as follows.
!
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.
Unplug the keyboard, mouse, monitor, and any other device (such as a printer)
connected to the back of the system.
3.
Loosen the thumb screw on the back of the system unit (see the following figure).