User Guide
230
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2.
Remove the logic cover and the drive cover.
3.
Use a small brush to loosen any dust and debris on the mother board.
4.
Use computer grade canned air to blow dust off components on the
motherboard.
5.
Use a small vacuum cleaner with plastic tip to vacuum out dust and debris from
the interior of the system.
6.
Reinstall the logic cover and the drive cover.
7.
Reconnect all power cables and turn on the system.
Cleaning the Keyboard
1.
Power off the system and peripheral devices.
The POWER/SLEEP lamp is off.
2.
Wipe the keyboard surface with a dry cloth.
Cleaning the Mouse
The mouse operation depends on the degree of smoothness of the internal ball rotation.
To keep the mouse ball clean, use the mouse in a place with little dust.
To clean the mouse:
1.
Prepare cold or lukewarm water, neutral detergent, alcohol, two dry soft
clothes, and cotton swabs.
2.
Power off the system.
The POWER/SLEEP lamp goes off.
3.
Turn the mouse upside down, and rotate the mouse ball cover counter
clockwise to remove it.
4.
Take out the ball from the mouse. Cover the bottom of the mouse with your
hand, and turn your hand holding the mouse (the mouse is on your palm with
the button upward). The mouse ball is released onto your palm.
5.
Soak a soft cloth in neutral detergent that is diluted with cold or lukewarm
water, and squeeze it firmly.
6.
Rub off stains on the mouse ball. Softly wipe the mouse ball with the cloth
prepared in Step 5.
7.
Wipe the mouse ball with a dry soft cloth.
8.
Wipe three small rollers inside the mouse with a cotton swab soaked with
alcohol. Wipe stains slowly and carefully by rotating rollers with the tip of the
cotton swab.
9.
Blow out any dust from the mouse. Protect your eyes from the dust.
10.
Put the mouse ball back into the mouse.
11.
Place the mouse ball cover, and rotate it clockwise until it is locked.
Cleaning an Optical Drive and CD-Rom/CD-RW/DVD-Rom
A dust-accumulated tray or a dusty optical drive may cause the device not to read data
correctly.
Summary of Contents for NovaScale T840
Page 1: ...NovaScale T840 User s Guide NOVASCALE REFERENCE 86 A1 97EV 01 ...
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Page 11: ...User Guide 11 www bull com Specifications 290 Equipment Log 292 Hardware 293 Software 298 ...
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Page 302: ...BULL CEDOC 357 AVENUE PATTON B P 20845 49008 ANGERS CEDEX 01 FRANCE REFERENCE 86 A1 97EV 01 ...
