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Nec express5800 tm800 nl Manual

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User Guide
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www.nec-computers.com
2. Unplug the power cord of the system from a power outlet.
3. Wipe off dust from the power cord plug with a dry cloth.
4. Soak a soft cloth in neutral detergent that is diluted with cold or lukewarm
water, and squeeze it firmly.
5. Rub off stains on the system with the cloth prepared in Step 4.
6. Soak a soft cloth in water, squeeze it firmly, wipe the system with it once
again.
7. Wipe the system with a dry cloth.
8. Wipe off dust from the fan exhaust opening on the rear of the system with a dry
cloth.
Cleaning the Interior of the system
One important item in a good maintenance program is regular and thorough cleaning of
the interior of the system, especially around the motherboard.
Dust buildup inside the system can lead to several problems. As dust acts as a thermal
insulator, a buildup can prevent proper system cooling. Excessive heat will shorten the
life of system components. Also, dust may contain conductive or corrosive materials
that can cause short circuits or corrosion of electrical contacts.
How often you should clean the interior of the system depends on the environment in
which it is located. For most office environments, you probably should clean the
system every 12 months. For more severe environments, clean the interior every 6
months.
To clean the interior of the system, you will need a small vacuum cleaner (with plastic
tipped nozzle and electrostatic protection), a computer grade canned air, and a small
brush.
Warning
Unplug all power cords before performing any maintenance.
Voltage is present inside the system and display unit even after
the power is turned off. All voltage is removed only when the
power cord is unplugged.
Caution
Do not use the brush made of chemical fabric, or the
cleaning material that will generate an electrostatics.
To clean the interior of the system:
1. Turn off the system and unplug all power cables.
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