Bull NovaScale T840 E2, User Manual

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User Guide
144
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Cleaning the interior of the server implies powering off the server and removing the left
side cover. You will need a small vacuum cleaner (with a plastic tipped nozzle and
electrostatic protection), 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.
Do not use a brush made of chemical fabric, it may generate static
electricity.
To clean the interior of the system:
1. Turn off the system and unplug all the power cables.
2. Remove thecover.
3. Use a small brush to loosen any dust and debris on the motherboard.
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 the dust and debris
from the inside of the system.
6. Reinstall the cover.
7. Reconnect all the power cables and turn on the system.
Cleaning the Keyboard
1. Power off the system and peripheral devices.
The POWER/SLEEP lamp is unlit.
2. Wipe the keyboard surface with a dry cloth.
Cleaning the Mouse
Mechanical 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.
1. Prepare cold or lukewarm water, neutral detergent, alcohol, two dry soft
clothes, and cotton swabs.